How to prove this polynomial always has integer values at all integers
Wilberd van der Kallen
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Wilberd van der Kallen
文献摘要
The following problem was posed by user “Kevin” on Mathoverflow. How to prove
this polynomial always has integer values at all integers?
Pm(x)=i=0∑mj=0∑m(jx+j)(jx−1)(ij)(im)(m−ji)(2i−1)(2j+1)(2m−2i−1)3.
We provide an answer.