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.

A228665 Number of 6 X n binary arrays with top left value 1 and no two ones adjacent horizontally, diagonally or antidiagonally.

Table of values

n a(n)
1 32
2 70
3 2348
4 11912
5 203762
6 1482892
7 19236832
8 166237206
9 1899605260
10 17848767224
11 192044287042
12 1879682471996
13 19647967583440
14 196172283670342
15 2022115572124828
16 20385597248657864
17 208716533500704978
18 2114033802192686572
19 21573650422984183744
20 219011665920930992374

List of values

[32, 70, 2348, 11912, 203762, 1482892, 19236832, 166237206, 1899605260, 17848767224, 192044287042, 1879682471996, 19647967583440, 196172283670342, 2022115572124828, 20385597248657864, 208716533500704978, 2114033802192686572, 21573650422984183744, 219011665920930992374]

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

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