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.

A183717 1/20 of the number of (n+1) X 8 0..4 arrays with every 2 X 2 subblock strictly increasing clockwise or counterclockwise with one decrease.

Table of values

n a(n)
1 408
2 5776
3 71712
4 954496
5 12606120
6 168070828
7 2239265280
8 29887741084
9 398877017736
10 5325395568832
11 71097798240000
12 949288848361824
13 12674717188992600
14 169233802374938432
15 2259618796412155200

List of values

[408, 5776, 71712, 954496, 12606120, 168070828, 2239265280, 29887741084, 398877017736, 5325395568832, 71097798240000, 949288848361824, 12674717188992600, 169233802374938432, 2259618796412155200]

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

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