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.

A238319 Number of (n+1) X (4+1) 0..2 arrays with no element greater than all horizontal neighbors or less than all vertical neighbors.

Table of values

n a(n)
1 51
2 1867
3 41046
4 721939
5 13265123
6 261676376
7 5206684654
8 102053610873
9 1987295524193
10 38770223731701
11 758012281434166
12 14822685184195262
13 289709710098420174
14 5661329642092072222
15 110637907561833470425

List of values

[51, 1867, 41046, 721939, 13265123, 261676376, 5206684654, 102053610873, 1987295524193, 38770223731701, 758012281434166, 14822685184195262, 289709710098420174, 5661329642092072222, 110637907561833470425]