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Results tagged with quadratic-residues
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user 43683
11
votes
Accepted
Is the permanent of the matrix $[(\frac{i+j}{2n+1})]_{0\le i,j\le n}$ always positive?
This is the sequence A322898 in OEIS.
I used a program in PARI and calculated the values of a(26) to a(34).
a(26) = -7000008163328
a(27) = 22712032822272
a(28) = 2244036651776
a(29) = 4363027965018112 …
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