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.

A183725 1/12 the number of (n+1) X 6 0..5 arrays with every 2 X 2 subblock strictly increasing clockwise or counterclockwise with one decrease, and at least two adjacent blocks having the same increasing direction.

Table of values

n a(n)
1 537
2 4170
3 30939
4 272215
5 3723606
6 112949014
7 4858574535
8 221403152762
9 9949950285008
10 439077020908186
11 19070687313534907
12 817844594324788300
13 34712759917922473170
14 1460861248287305883035
15 61042039866448977229798

List of values

[537, 4170, 30939, 272215, 3723606, 112949014, 4858574535, 221403152762, 9949950285008, 439077020908186, 19070687313534907, 817844594324788300, 34712759917922473170, 1460861248287305883035, 61042039866448977229798]