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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A374668 a(n) is the permanent of the n-th order Hankel matrix M whose generic element is given by M(i,j) = A317614(i+j-1) with i,j = 1, ..., n.

Table of values

n a(n)
0 1
1 1
2 31
3 10254
4 12238276
5 41596930860
6 309346186680924
7 4522151204857137264
8 116038936382978521700928
9 4918677318766771695942334272
10 323424014903141386787887115413440
11 31725978444319999354629697685162941056
12 4460612938377274751881312432310360618154240

List of values

[1, 1, 31, 10254, 12238276, 41596930860, 309346186680924, 4522151204857137264, 116038936382978521700928, 4918677318766771695942334272, 323424014903141386787887115413440, 31725978444319999354629697685162941056, 4460612938377274751881312432310360618154240]