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.

A221545 Number of 0..n arrays of length 7 with each element differing from at least one neighbor by something other than 1, starting with 0.

Table of values

n a(n)
1 8
2 134
3 1276
4 6311
5 22466
6 64047
7 156098
8 338711
9 672066
10 1242191
11 2167442
12 3605703
13 5762306
14 8898671
15 13341666
16 19493687
17 27843458
18 38977551
19 53592626
20 72508391
21 96681282
22 127218863
23 165394946
24 212665431
25 270684866
26 341323727

List of values

[8, 134, 1276, 6311, 22466, 64047, 156098, 338711, 672066, 1242191, 2167442, 3605703, 5762306, 8898671, 13341666, 19493687, 27843458, 38977551, 53592626, 72508391, 96681282, 127218863, 165394946, 212665431, 270684866, 341323727]