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.

A221599 Number of 0..n arrays of length 7 with each element differing from at least one neighbor by 1 or less.

Table of values

n a(n)
1 128
2 1113
3 4240
4 11011
5 22912
6 41401
7 67936
8 103975
9 150976
10 210397
11 283696
12 372331
13 477760
14 601441
15 744832
16 909391
17 1096576
18 1307845
19 1544656
20 1808467
21 2100736
22 2422921
23 2776480
24 3162871
25 3583552
26 4039981
27 4533616
28 5065915
29 5638336

List of values

[128, 1113, 4240, 11011, 22912, 41401, 67936, 103975, 150976, 210397, 283696, 372331, 477760, 601441, 744832, 909391, 1096576, 1307845, 1544656, 1808467, 2100736, 2422921, 2776480, 3162871, 3583552, 4039981, 4533616, 5065915, 5638336]