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.

A232139 Number of (2+1)X(n+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 44
2 728
3 10956
4 169692
5 2616952
6 40399768
7 623543776
8 9624373808
9 148550587192
10 2292857494812
11 35389922134468
12 546238342870352
13 8431109896279836
14 130132963416612180
15 2008583492065392256
16 31002196055330559468

List of values

[44, 728, 10956, 169692, 2616952, 40399768, 623543776, 9624373808, 148550587192, 2292857494812, 35389922134468, 546238342870352, 8431109896279836, 130132963416612180, 2008583492065392256, 31002196055330559468]