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.

A228388 Number of nX6 binary arrays with top left value 1 and no two ones adjacent horizontally or vertically.

Table of values

n a(n)
1 8
2 70
3 963
4 11449
5 143072
6 1755243
7 21683149
8 267157140
9 3294926929
10 40621769739
11 500881862476
12 6175719012200
13 76146337618146
14 938873253971283
15 11576206633106083
16 142733217148402101
17 1759883977929944820

List of values

[8, 70, 963, 11449, 143072, 1755243, 21683149, 267157140, 3294926929, 40621769739, 500881862476, 6175719012200, 76146337618146, 938873253971283, 11576206633106083, 142733217148402101, 1759883977929944820]

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

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