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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.

A221597 Number of 0..n arrays of length 5 with each element differing from at least one neighbor by 1 or less.

Table of values

n a(n)
1 32
2 139
3 342
4 651
5 1068
6 1593
7 2226
8 2967
9 3816
10 4773
11 5838
12 7011
13 8292
14 9681
15 11178
16 12783
17 14496
18 16317
19 18246
20 20283
21 22428
22 24681
23 27042
24 29511
25 32088
26 34773
27 37566
28 40467
29 43476
30 46593
31 49818
32 53151
33 56592
34 60141
35 63798
36 67563
37 71436
38 75417
39 79506

List of values

[32, 139, 342, 651, 1068, 1593, 2226, 2967, 3816, 4773, 5838, 7011, 8292, 9681, 11178, 12783, 14496, 16317, 18246, 20283, 22428, 24681, 27042, 29511, 32088, 34773, 37566, 40467, 43476, 46593, 49818, 53151, 56592, 60141, 63798, 67563, 71436, 75417, 79506]

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

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