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.

A231212 Number of (n+1)X(n+1) 0..2 arrays with no element unequal to a strict majority of its horizontal and vertical neighbors, with values 0..2 introduced in row major order.

Table of values

n a(n)
1 3
2 9
3 93
4 2892
5 226764
6 45593903
7 23748656906
8 31822302958042

List of values

[3, 9, 93, 2892, 226764, 45593903, 23748656906, 31822302958042]

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

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