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15 votes
3 answers
2k views

Where did this Pólya's theorem appear?

0 votes
0 answers
31 views

Bounding cumulants for CLT via $\text{GAP}_\eta$ tuples

0 votes
0 answers
40 views

Hasse principle for rational number times a quadratic form

1 vote
0 answers
102 views

Dirichlet series of $\zeta'(s)\zeta'(1-s)$

1 vote
1 answer
142 views

Signed partial sums of numbers of binary partitions leading to certain polynomials

0 votes
1 answer
60 views

Combining two Dirichlet polynomials into one polynomial

0 votes
0 answers
56 views

Algorithm that allows to get any value of A000123 if finite number of values of A002577 are known

38 votes
7 answers
6k views

Heuristic argument for the Riemann Hypothesis

7 votes
2 answers
525 views

When is $(x^p-1)/(p(x-1))$ a perfect square?

1 vote
2 answers
285 views

The strong Mersenne conjecture

6 votes
1 answer
2k views

If $N = qn^2$ is an odd perfect number with $\gcd(q,n)=1$, is it possible to have $q + 1 = \sigma(n)$?

44 votes
1 answer
5k views

A generalisation of the equation $n = ab + ac + bc$

1 vote
0 answers
111 views

Blockwise measure-positive subsets of $\mathbb{N}$

4 votes
2 answers
1k views

Siegel's Mass Formula for ternary indefinite quadratic forms

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