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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.

A381326 Number of (undirected) Hamiltonian cycles in the complete 4-partite graph K_{n,n,n,n}.

Table of values

n a(n)
1 3
2 744
3 1833840
4 18872165376
5 553245728256000
6 37106744352952320000
7 4936487939183251906560000
8 1177983332748595472891904000000
9 467912746454054494167896413962240000
10 292026962339084784352431710907924480000000
11 273498538086199515052362271809542396313600000000

List of values

[3, 744, 1833840, 18872165376, 553245728256000, 37106744352952320000, 4936487939183251906560000, 1177983332748595472891904000000, 467912746454054494167896413962240000, 292026962339084784352431710907924480000000, 273498538086199515052362271809542396313600000000]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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