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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.

A283031 Number of inequivalent 5 X 5 matrices with entries in {1,2,3,...,n} up to rotations.

Table of values

n a(n)
0 0
1 1
2 8390720
3 211822552035
4 281474993496064
5 74505806274453125
6 7107572010747738816
7 335267154940213889575
8 9444732965876730429440
9 179474496923598616041129
10 2500000000002500005000000
11 27086764858479561198237131
12 238490541610199280719585280

List of values

[0, 1, 8390720, 211822552035, 281474993496064, 74505806274453125, 7107572010747738816, 335267154940213889575, 9444732965876730429440, 179474496923598616041129, 2500000000002500005000000, 27086764858479561198237131, 238490541610199280719585280]

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

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