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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.

A225830 Number of binary pattern classes in the (6,n)-rectangular grid: two patterns are in the same class if one of them can be obtained by a reflection or 180-degree rotation of the other.

Table of values

n a(n)
0 1
1 36
2 1072
3 66816
4 4197376
5 268517376
6 17180065792
7 1099516870656
8 70368756760576
9 4503599962914816
10 288230376957018112
11 18446744095184388096
12 1180591620768950910976
13 75557863727288712953856
14 4835703278461815233708032
15 309485009821433029655003136
16 19807040628566295504618520576
17 1267650600228235030996237418496

List of values

[1, 36, 1072, 66816, 4197376, 268517376, 17180065792, 1099516870656, 70368756760576, 4503599962914816, 288230376957018112, 18446744095184388096, 1180591620768950910976, 75557863727288712953856, 4835703278461815233708032, 309485009821433029655003136, 19807040628566295504618520576, 1267650600228235030996237418496]

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

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