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.

A269079 Number of 5Xn binary arrays with some element plus some horizontally, diagonally or antidiagonally adjacent neighbor totalling two not more than once.

Table of values

n a(n)
1 32
2 244
3 2343
4 20400
5 165607
6 1383105
7 10778640
8 86308622
9 661641931
10 5146079168
11 39031235709
12 297777942033
13 2239241624640
14 16861326990168
15 125878250277823
16 939067269600080
17 6967653661432115
18 51619835791134129
19 381021973991495280

List of values

[32, 244, 2343, 20400, 165607, 1383105, 10778640, 86308622, 661641931, 5146079168, 39031235709, 297777942033, 2239241624640, 16861326990168, 125878250277823, 939067269600080, 6967653661432115, 51619835791134129, 381021973991495280]

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

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