cp's OEIS Frontend

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.

A260639 Permanent of the symmetric n X n matrix in A260638.

Table of values

n a(n)
1 1
2 4
3 206
4 433284
5 131782705528
6 21826979750768842816
7 7637711141088259236341772556400
8 22237835372502772582455643527946875785037270496
9 2138255561398515897400115384129197209090292453675665760256378885504

List of values

[1, 4, 206, 433284, 131782705528, 21826979750768842816, 7637711141088259236341772556400, 22237835372502772582455643527946875785037270496, 2138255561398515897400115384129197209090292453675665760256378885504]