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.

A231415 Number of (n+1)X(3+1) 0..2 arrays with no element equal to a strict majority of its horizontal, diagonal and antidiagonal neighbors, with values 0..2 introduced in row major order.

Table of values

n a(n)
1 514
2 20896
3 844061
4 34099824
5 1378646988
6 55743171795
7 2253925687328
8 91135639532050
9 3684995866308397
10 148999828418108116
11 6024687611678499118
12 243603373370750396584
13 9849905481191885220441
14 398272965802692213756388

List of values

[514, 20896, 844061, 34099824, 1378646988, 55743171795, 2253925687328, 91135639532050, 3684995866308397, 148999828418108116, 6024687611678499118, 243603373370750396584, 9849905481191885220441, 398272965802692213756388]