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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.

A283028 Number of inequivalent 4 X 4 matrices with entries in {1,2,3,...,n} up to vertical and horizontal reflections.

Table of values

n a(n)
0 0
1 1
2 16576
3 10766601
4 1073790976
5 38147265625
6 705278736576
7 8308236966001
8 70368756760576
9 463255079498001
10 2500000075000000
11 11487432626662201
12 46221065046245376
13 166354152907593001
14 544488335559184576
15 1642102090850390625
16 4611686021648613376

List of values

[0, 1, 16576, 10766601, 1073790976, 38147265625, 705278736576, 8308236966001, 70368756760576, 463255079498001, 2500000075000000, 11487432626662201, 46221065046245376, 166354152907593001, 544488335559184576, 1642102090850390625, 4611686021648613376]

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

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