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Clark Kimberling's user avatar
Clark Kimberling's user avatar
Clark Kimberling's user avatar
Clark Kimberling
  • Member for 9 years, 8 months
  • Last seen more than 4 years ago
23 votes
2 answers
3k views

A possibly surprising appearance of Fibonacci numbers

23 votes
4 answers
1k views

Communal problem books

21 votes
1 answer
1k views

Distinctness of products of Fibonacci numbers

20 votes
2 answers
1k views

A possibly surprising appearance of $\sqrt{2}.$

19 votes
6 answers
2k views

Mathematics contests before 1800

17 votes
2 answers
931 views

A possibly surprising appearance of Lucas numbers

13 votes
2 answers
960 views

What is the Hausdorff dimension of this fractal?

13 votes
3 answers
556 views

Which irrationals yield bounded sets of iterates?

13 votes
1 answer
740 views

Emanuel Lasker, Max Noether, and Emmy Noether

13 votes
5 answers
854 views

Mathematical words outside of mathematics [closed]

12 votes
1 answer
714 views

Possible limit involving the gamma function

11 votes
2 answers
495 views

An inequality for copulas

11 votes
0 answers
287 views

Elkies points in the plane of a triangle $ABC$

8 votes
1 answer
394 views

A question involving e, floor, and all x > 0

8 votes
4 answers
343 views

Simple-looking sequences $A$ and $B$ defined by a complementary equation

7 votes
1 answer
170 views

Number of numbers in $n$th difference sequence

7 votes
2 answers
1k views

When is a sequence the sum of two Beatty sequences?

7 votes
0 answers
302 views

A question about the golden ratio and other numbers

7 votes
2 answers
428 views

Limit associated with complementary sequences

6 votes
1 answer
271 views

Are these inequalities for primes equivalent?

6 votes
1 answer
208 views

Did Lucas discover Lucas circles?

6 votes
1 answer
379 views

Who was Bickart?

5 votes
2 answers
347 views

Frégier and Frégier's Theorem

5 votes
2 answers
849 views

Is every positive integer a sum of at most 4 distinct quarter-squares?

5 votes
1 answer
300 views

Simply generated sequences with mysterious differences

5 votes
1 answer
678 views

When does this interesting sum diverge?

5 votes
2 answers
485 views

How to construct particular De Bruijn sequences

4 votes
1 answer
206 views

Nearly De Bruijn sequences constructed from De Bruijn sequences

4 votes
1 answer
236 views

Self-containing trees

4 votes
2 answers
178 views

Counting points and lines in a plane