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.

A219148 Unchanging value maps: number of 7Xn binary arrays indicating the locations of corresponding elements unequal to no horizontal, diagonal or antidiagonal neighbor in a random 0..2 7Xn array.

Table of values

n a(n)
1 1
2 1157
3 25277
4 472638
5 9702349
6 191707377
7 3862325048
8 78006637065
9 1583568237267
10 32151936434405

List of values

[1, 1157, 25277, 472638, 9702349, 191707377, 3862325048, 78006637065, 1583568237267, 32151936434405]

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

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