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.

A231393 Number of (n+1)X(5+1) 0..2 arrays with no element unequal 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 78
2 363
3 1706
4 8340
5 41237
6 217846
7 1158551
8 6261166
9 34110556
10 186830745
11 1027023009
12 5657597268
13 31213417616
14 172357775732
15 952325314496
16 5263831652451
17 29102221456013
18 160923210164607
19 889929539183295

List of values

[78, 363, 1706, 8340, 41237, 217846, 1158551, 6261166, 34110556, 186830745, 1027023009, 5657597268, 31213417616, 172357775732, 952325314496, 5263831652451, 29102221456013, 160923210164607, 889929539183295]