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.

A209724 1/4 the number of (n+1) X 6 0..2 arrays with every 2 X 2 subblock having distinct clockwise edge differences.

Table of values

n a(n)
1 8
2 9
3 10
4 12
5 14
6 18
7 22
8 30
9 38
10 54
11 70
12 102
13 134
14 198
15 262
16 390
17 518
18 774
19 1030
20 1542
21 2054
22 3078
23 4102
24 6150
25 8198
26 12294
27 16390
28 24582
29 32774
30 49158
31 65542
32 98310
33 131078
34 196614
35 262150
36 393222
37 524294
38 786438
39 1048582
40 1572870
41 2097158

List of values

[8, 9, 10, 12, 14, 18, 22, 30, 38, 54, 70, 102, 134, 198, 262, 390, 518, 774, 1030, 1542, 2054, 3078, 4102, 6150, 8198, 12294, 16390, 24582, 32774, 49158, 65542, 98310, 131078, 196614, 262150, 393222, 524294, 786438, 1048582, 1572870, 2097158]