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.

A231266 Number of (4+1)X(n+1) 0..2 arrays with no element unequal to a strict majority of its horizontal and antidiagonal neighbors, with values 0..2 introduced in row major order.

Table of values

n a(n)
1 86
2 547
3 2982
4 19503
5 126851
6 866396
7 5921588
8 40973953
9 283765581
10 1972122444
11 13710377266
12 95395947525
13 663770545015
14 4619277813951
15 32145505935933
16 223706188296535
17 1556796061665136
18 10833978133171498
19 75395132198062729

List of values

[86, 547, 2982, 19503, 126851, 866396, 5921588, 40973953, 283765581, 1972122444, 13710377266, 95395947525, 663770545015, 4619277813951, 32145505935933, 223706188296535, 1556796061665136, 10833978133171498, 75395132198062729]