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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.

A231938 Number of n X 5 0..3 arrays with no element less than a strict majority of its horizontal, diagonal and antidiagonal neighbors.

Table of values

n a(n)
1 144
2 42104
3 4736026
4 691418144
5 86074040354
6 10417626293694
7 1320620287047433
8 167980047970274816
9 21111589946666517004
10 2654446369108557445386
11 334772700009651200937863
12 42209724955108647369437110

List of values

[144, 42104, 4736026, 691418144, 86074040354, 10417626293694, 1320620287047433, 167980047970274816, 21111589946666517004, 2654446369108557445386, 334772700009651200937863, 42209724955108647369437110]

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

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