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.

A091061 Number of n X n matrices over symbol set {1,2,3,4} equivalent under any permutation of row, columns or the symbol set.

Table of values

n a(n)
0 1
1 1
2 9
3 408
4 332034
5 3327329224
6 382430372929443
7 521184164586987473279
8 8728898357751671813141271503
9 1850296785573740600565249566845514268
10 5085095493754879591102840109774321148107411672
11 184819445887199812520846920949561110945504502827686252918

List of values

[1, 1, 9, 408, 332034, 3327329224, 382430372929443, 521184164586987473279, 8728898357751671813141271503, 1850296785573740600565249566845514268, 5085095493754879591102840109774321148107411672, 184819445887199812520846920949561110945504502827686252918]

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

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