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.

A181239 Number of n X 4 binary matrices with no 2 X 2 circuit having pattern 0101 in any orientation.

Table of values

n a(n)
1 16
2 178
3 2066
4 23858
5 275690
6 3185462
7 36806846
8 425288998
9 4914052362
10 56780001474
11 656071271338
12 7580653428086
13 87591560417790
14 1012087088416198
15 11694280472399626
16 135122952690874754
17 1561294205914890890

List of values

[16, 178, 2066, 23858, 275690, 3185462, 36806846, 425288998, 4914052362, 56780001474, 656071271338, 7580653428086, 87591560417790, 1012087088416198, 11694280472399626, 135122952690874754, 1561294205914890890]

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

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