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.

A202886 Number of nX5 0..2 arrays with every nonzero element less than or equal to some horizontal or vertical neighbor.

Table of values

n a(n)
1 51
2 13345
3 2223723
4 348151747
5 56006562037
6 9024909392725
7 1452080571954205
8 233641209300452607
9 37595413242729744773
10 6049464276674659581373
11 973416350404566342317495
12 156632059367518718442398187

List of values

[51, 13345, 2223723, 348151747, 56006562037, 9024909392725, 1452080571954205, 233641209300452607, 37595413242729744773, 6049464276674659581373, 973416350404566342317495, 156632059367518718442398187]

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

Content is available under The OEIS End-User License Agreement.