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.

A219307 Unchanging value maps: number of nX5 binary arrays indicating the locations of corresponding elements unequal to no horizontal or vertical neighbor in a random 0..2 nX5 array.

Table of values

n a(n)
1 12
2 142
3 1958
4 25647
5 326444
6 4215579
7 54797587
8 710493819
9 9194088812
10 119051026450
11 1542298398563
12 19977719144984
13 258742519096389
14 3351214351286909
15 43406104354037517
16 562207779495312746

List of values

[12, 142, 1958, 25647, 326444, 4215579, 54797587, 710493819, 9194088812, 119051026450, 1542298398563, 19977719144984, 258742519096389, 3351214351286909, 43406104354037517, 562207779495312746]

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

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