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.

A189612 Number of n X 4 binary arrays without the pattern 0 1 0 diagonally, antidiagonally or horizontally.

Table of values

n a(n)
1 12
2 144
3 1164
4 8496
5 65160
6 515560
7 4075336
8 32031600
9 251533888
10 1976926440
11 15543816656
12 122208548968
13 960755182696
14 7553047614920
15 59379727197728
16 466827426445200
17 3670067881137352
18 28853031765433504
19 226834374728410104

List of values

[12, 144, 1164, 8496, 65160, 515560, 4075336, 32031600, 251533888, 1976926440, 15543816656, 122208548968, 960755182696, 7553047614920, 59379727197728, 466827426445200, 3670067881137352, 28853031765433504, 226834374728410104]

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

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