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.

A238320 Number of (n+1)X(5+1) 0..2 arrays with no element greater than all horizontal neighbors or less than all vertical neighbors.

Table of values

n a(n)
1 121
2 9489
3 405636
4 13265123
5 459256128
6 17315827838
7 658399071392
8 24577532667851
9 910817281935043
10 33837788379096408
11 1260231451310023356
12 46939033254320776972
13 1747281376213884382709
14 65029646539397230908874

List of values

[121, 9489, 405636, 13265123, 459256128, 17315827838, 658399071392, 24577532667851, 910817281935043, 33837788379096408, 1260231451310023356, 46939033254320776972, 1747281376213884382709, 65029646539397230908874]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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