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.

A219141 Unchanging value maps: number of nX7 binary arrays indicating the locations of corresponding elements unequal to no horizontal, diagonal or antidiagonal neighbor in a random 0..2 nX7 array.

Table of values

n a(n)
1 37
2 543
3 15255
4 341648
5 7640541
6 170792866
7 3862325048
8 87205791997
9 1964627314453
10 44248075120119
11 997182574575448
12 22477181379388546
13 506606543634822152
14 11417623925479199496
15 257329160512779838675

List of values

[37, 543, 15255, 341648, 7640541, 170792866, 3862325048, 87205791997, 1964627314453, 44248075120119, 997182574575448, 22477181379388546, 506606543634822152, 11417623925479199496, 257329160512779838675]

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

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