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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.

A221685 Number of 0..n arrays of length 6 with each element differing from at least one neighbor by 1 or less, starting with 0.

Table of values

n a(n)
1 32
2 113
3 241
4 418
5 636
6 891
7 1182
8 1509
9 1872
10 2271
11 2706
12 3177
13 3684
14 4227
15 4806
16 5421
17 6072
18 6759
19 7482
20 8241
21 9036
22 9867
23 10734
24 11637
25 12576
26 13551
27 14562
28 15609
29 16692
30 17811
31 18966
32 20157
33 21384
34 22647
35 23946
36 25281
37 26652
38 28059
39 29502
40 30981

List of values

[32, 113, 241, 418, 636, 891, 1182, 1509, 1872, 2271, 2706, 3177, 3684, 4227, 4806, 5421, 6072, 6759, 7482, 8241, 9036, 9867, 10734, 11637, 12576, 13551, 14562, 15609, 16692, 17811, 18966, 20157, 21384, 22647, 23946, 25281, 26652, 28059, 29502, 30981]

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

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