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.

A232131 Number of (n+1) X (2+1) 0..2 arrays with no element equal 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 36
2 728
3 14752
4 298912
5 6056640
6 122721280
7 2486611712
8 50384397824
9 1020902270976
10 20685797427200
11 419141212008448
12 8492752393142272
13 172082441775661056
14 3486780892303556608
15 70650095765044723712

List of values

[36, 728, 14752, 298912, 6056640, 122721280, 2486611712, 50384397824, 1020902270976, 20685797427200, 419141212008448, 8492752393142272, 172082441775661056, 3486780892303556608, 70650095765044723712]