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Woett
  • Member for 13 years, 9 months
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15 votes

Awfully sophisticated proof for simple facts

15 votes

What are some examples of ingenious, unexpected constructions?

15 votes
Accepted

Is there an explicit formula for $\sum x^n/(n!)^2$?

11 votes
Accepted

Squares in an arithmetic progression

9 votes

Are there results in "Digit Theory"?

9 votes

Lagrange four squares theorem

8 votes
Accepted

Product of sum of reciprocals of prime numbers

8 votes

Can the Riemann hypothesis be undecidable?

6 votes

Contest problems with connections to deeper mathematics

6 votes

Finite sums of prime numbers $\geq x$

2 votes

Theorems that are 'obvious' but hard to prove

1 vote

Largest prime divisor of a sum

1 vote

Twin primes and D primes

0 votes

Unconventional types of induction