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.

A303037 Number of nX5 0..1 arrays with every element equal to 0, 1, 3, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

Table of values

n a(n)
1 8
2 31
3 56
4 234
5 703
6 2494
7 9882
8 38855
9 158630
10 674410
11 2921913
12 12955678
13 58544796
14 267600375
15 1235405800
16 5748447218
17 26880477835
18 126178539898
19 594019756766
20 2801839213779
21 13234169550602
22 62575594084426
23 296088878641741

List of values

[8, 31, 56, 234, 703, 2494, 9882, 38855, 158630, 674410, 2921913, 12955678, 58544796, 267600375, 1235405800, 5748447218, 26880477835, 126178539898, 594019756766, 2801839213779, 13234169550602, 62575594084426, 296088878641741]

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

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