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.

A283570 Number of nX6 0..1 arrays with no 1 equal to more than one of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly one element.

Table of values

n a(n)
1 12
2 908
3 21186
4 509952
5 10919674
6 226897932
7 4558585174
8 89724600000
9 1736716820366
10 33188681249924
11 627668838247742
12 11769603893466432
13 219120313902873796
14 4054721455598417092
15 74638990577755174088

List of values

[12, 908, 21186, 509952, 10919674, 226897932, 4558585174, 89724600000, 1736716820366, 33188681249924, 627668838247742, 11769603893466432, 219120313902873796, 4054721455598417092, 74638990577755174088]

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

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