All Questions
Tagged with valuation-theory co.combinatorics
3 questions
2
votes
1
answer
183
views
Pair of recurrence relations with $a(2n+1)=a(2f(n))$
Let $f(n)$ be A053645, distance to largest power of $2$ less than or equal to $n$; write $n$ in binary, change the first digit to zero, and convert back to decimal.
Let $g(n)$ be A007814, the ...
1
vote
1
answer
295
views
Formula from the recurrence relation
Let $f(n)$ be A007814, the exponent of the highest power of $2$ dividing $n$, a.k.a. the binary carry sequence, the ruler sequence, or the $2$-adic valuation of $n$.
Then we have an integer sequence ...
3
votes
2
answers
458
views
Subsequence of the cubes
Let $p$ and $q$ be integers.
Let $f(n)$ be A007814, the exponent of the highest power of $2$ dividing $n$, a.k.a. the binary carry sequence, the ruler sequence, or the $2$-adic valuation of $n$.
Then ...