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.

A057524 Number of 3 x n binary matrices without unit columns up to row and column permutations.

Table of values

n a(n)
0 1
1 3
2 7
3 14
4 25
5 41
6 64
7 95
8 136
9 189
10 256
11 339
12 441
13 564
14 711
15 885
16 1089
17 1326
18 1600
19 1914
20 2272
21 2678
22 3136
23 3650
24 4225
25 4865
26 5575
27 6360
28 7225
29 8175
30 9216
31 10353
32 11592
33 12939
34 14400
35 15981
36 17689
37 19530
38 21511
39 23639
40 25921
41 28364
42 30976

List of values

[1, 3, 7, 14, 25, 41, 64, 95, 136, 189, 256, 339, 441, 564, 711, 885, 1089, 1326, 1600, 1914, 2272, 2678, 3136, 3650, 4225, 4865, 5575, 6360, 7225, 8175, 9216, 10353, 11592, 12939, 14400, 15981, 17689, 19530, 21511, 23639, 25921, 28364, 30976]

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

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