User Notamathematician

1 vote

1 answer

92 views

Equivalence of sequences related to A033264

asked Oct 20 at 10:47

1 vote

0 answers

161 views

Efficient algorithm for A217061

asked Oct 25 at 16:25

1 vote

0 answers

121 views

Simple algorithm for A107670

asked Aug 30 at 12:08

1 vote

1 answer

178 views

Algorithm for A127782

asked Oct 2 at 14:45

1 vote

0 answers

32 views

On a A347205 and related row polynomials

asked Aug 20 at 11:59

1 vote

0 answers

63 views

On a A162326 and vector $\nu$ of length $n$

asked Aug 13 at 11:54

0 votes

0 answers

135 views

Integer coefficients and continued fractions

asked Jul 30 at 12:53

0 votes

0 answers

60 views

Algorithm for $q$-Bell numbers

asked Oct 4 at 14:38

0 votes

0 answers

65 views

Algorithm and equivalent recursion for A258173 (related to Dyck paths)

asked Oct 6 at 14:39

0 votes

0 answers

66 views

Copy and repeat or copy and sum integer coefficients

asked 22 hours ago

0 votes

1 answer

170 views

Partial sums of binomial coefficients and related family of polynomials

asked Nov 21 at 18:03

0 votes

1 answer

131 views

Closed form for $\sum\limits_{k=0}^{n} [\operatorname{wt}(k) = m]$ where $\operatorname{wt}(n)$ is the binary weight of $n$

asked Nov 26 at 15:32

0 votes

0 answers

107 views

Formula for individual term of the Proth numbers

asked Feb 19 at 14:15

0 votes

0 answers

48 views

$R$-recursion for the A007165

asked Feb 1 at 12:23

0 votes

1 answer

122 views

Permutation of the natural numbers from operation related to binary expansion of $n$

asked Sep 25, 2023 at 13:46

0 votes

0 answers

100 views

Recursion for the A266328 by analogy with non-standard recursion for factorials

asked Jul 13, 2023 at 15:44

0 votes

0 answers

182 views

Expansion of continued fraction using recursion

asked Jun 25, 2023 at 8:34

0 votes

1 answer

140 views

Series reversion using something like continued fraction

asked Jun 28, 2023 at 9:33

0 votes

0 answers

63 views

Pairs of permutations such that $p(n)<2^k$ iff $n<2^k$

asked Mar 2 at 14:55

0 votes

0 answers

190 views

On a A057985 without recursion

asked Apr 14 at 13:00

0 votes

0 answers

55 views

Sequences that sum up to sums of integer coefficients

asked Jul 21 at 18:17

0 votes

0 answers

50 views

First differences in the permutations leading to Eulerian numbers

asked May 20, 2021 at 16:45

0 votes

1 answer

173 views

Binary recurrence from general recurrence

asked Jun 9, 2021 at 11:58

0 votes

0 answers

144 views

Number of open tours by a biased rook on a specific $f(n)\times 1$ board which end on a $k$-th cell from the right

asked Aug 27, 2021 at 10:42

0 votes

1 answer

323 views

Generating function for partial sums of the sequence

asked Oct 3, 2021 at 10:54

0 votes

1 answer

149 views

Modulo $2$ binomial transform of A124758

asked Nov 24, 2021 at 13:46

0 votes

1 answer

141 views

Property of composite numbers

asked Feb 8, 2022 at 18:45

0 votes

1 answer

179 views

Number of positive integers $k$ such that there exists a nonnegative integer $m$ with $k + k^m = n$

asked Apr 3, 2022 at 18:33

0 votes

0 answers

61 views

Stolarsky array and Stolarsky representation

asked Mar 24, 2023 at 16:55

0 votes

0 answers

73 views

Sequences that sum up to possible generalization of Euler or up/down numbers (A000111)

asked Jun 3, 2023 at 13:27

Stack Exchange Network

185 Questions

Equivalence of sequences related to A033264

Efficient algorithm for A217061

Simple algorithm for A107670

Algorithm for A127782

On a A347205 and related row polynomials

On a A162326 and vector $\nu$ of length $n$

Integer coefficients and continued fractions

Algorithm for $q$-Bell numbers

Algorithm and equivalent recursion for A258173 (related to Dyck paths)

Copy and repeat or copy and sum integer coefficients

Partial sums of binomial coefficients and related family of polynomials

Closed form for $\sum\limits_{k=0}^{n} [\operatorname{wt}(k) = m]$ where $\operatorname{wt}(n)$ is the binary weight of $n$

Formula for individual term of the Proth numbers

$R$-recursion for the A007165

Permutation of the natural numbers from operation related to binary expansion of $n$

Recursion for the A266328 by analogy with non-standard recursion for factorials

Expansion of continued fraction using recursion

Series reversion using something like continued fraction

Pairs of permutations such that $p(n)<2^k$ iff $n<2^k$

On a A057985 without recursion

Sequences that sum up to sums of integer coefficients

First differences in the permutations leading to Eulerian numbers

Binary recurrence from general recurrence

Number of open tours by a biased rook on a specific $f(n)\times 1$ board which end on a $k$-th cell from the right

Generating function for partial sums of the sequence

Modulo $2$ binomial transform of A124758

Property of composite numbers

Number of positive integers $k$ such that there exists a nonnegative integer $m$ with $k + k^m = n$

Stolarsky array and Stolarsky representation

Sequences that sum up to possible generalization of Euler or up/down numbers (A000111)