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.

A246152 Number of inequivalent n X 7 binary matrices, where equivalence means permutations of rows or columns or the symbol set.

Table of values

n a(n)
0 1
1 4
2 40
3 367
4 4745
5 68379
6 1072086
7 16821330
8 254092124
9 3608247685
10 47733362102
11 587016912645
12 6721970343643
13 71907225898320
14 721352899257954
15 6812732993272120
16 60802368520799533
17 514586622373193034
18 4143078743506122930
19 31825800605751740274

List of values

[1, 4, 40, 367, 4745, 68379, 1072086, 16821330, 254092124, 3608247685, 47733362102, 587016912645, 6721970343643, 71907225898320, 721352899257954, 6812732993272120, 60802368520799533, 514586622373193034, 4143078743506122930, 31825800605751740274]

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

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