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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.

A268366 Number of n X 6 arrays of permutations of 6 copies of 0..n-1 with row sums equal.

Table of values

n a(n)
1 1
2 400
3 1054200
4 12243840000
5 429355384500000
6 39489843246336000000
7 7875251932432856328000000
8 3103313606339070135803904000000
9 2222194400107579127937216888000000000

List of values

[1, 400, 1054200, 12243840000, 429355384500000, 39489843246336000000, 7875251932432856328000000, 3103313606339070135803904000000, 2222194400107579127937216888000000000]

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

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