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.

A231224 Number of (n+2)X(5+2) 0..2 arrays with no element unequal to a strict majority of its horizontal, vertical, diagonal and antidiagonal neighbors, with values 0..2 introduced in row major order.

Table of values

n a(n)
1 11
2 45
3 185
4 812
5 4298
6 19935
7 102113
8 524113
9 2687777
10 14197596
11 74308295
12 393206009
13 2088107591
14 11086538469
15 59103852278
16 315153667732
17 1682280633028
18 8989204931719
19 48042619335921
20 256910321615776
21 1374182610970469

List of values

[11, 45, 185, 812, 4298, 19935, 102113, 524113, 2687777, 14197596, 74308295, 393206009, 2088107591, 11086538469, 59103852278, 315153667732, 1682280633028, 8989204931719, 48042619335921, 256910321615776, 1374182610970469]