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.

A246150 Number of inequivalent n X 5 binary matrices, where equivalence means permutations of rows or columns or the symbol set.

Table of values

n a(n)
0 1
1 3
2 20
3 95
4 545
5 2812
6 14386
7 68379
8 307390
9 1291582
10 5106100
11 19006858
12 66942270
13 223810001
14 713195934
15 2173442602
16 6355468797
17 17884351793
18 48563133156
19 127555643649
20 324799429322
21 803377153389
22 1933758657660
23 4537110254019
24 10392125492520
25 23268770873311

List of values

[1, 3, 20, 95, 545, 2812, 14386, 68379, 307390, 1291582, 5106100, 19006858, 66942270, 223810001, 713195934, 2173442602, 6355468797, 17884351793, 48563133156, 127555643649, 324799429322, 803377153389, 1933758657660, 4537110254019, 10392125492520, 23268770873311]

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

Content is available under The OEIS End-User License Agreement.