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.

A303627 Number of 5Xn 0..1 arrays with every element equal to 0, 2, 3, 4, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

Table of values

n a(n)
1 16
2 6
3 616
4 1870
5 37910
6 350410
7 5249045
8 70522741
9 1042683911
10 15412143256
11 231857391297
12 3507294376595
13 53265758197769
14 810914386664759
15 12360167854003888
16 188554666107041773
17 2877613349788302762

List of values

[16, 6, 616, 1870, 37910, 350410, 5249045, 70522741, 1042683911, 15412143256, 231857391297, 3507294376595, 53265758197769, 810914386664759, 12360167854003888, 188554666107041773, 2877613349788302762]

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

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