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.

A221684 Number of 0..n arrays of length 5 with each element differing from at least one neighbor by 1 or less, starting with 0.

Table of values

n a(n)
1 16
2 40
3 68
4 100
5 133
6 166
7 199
8 232
9 265
10 298
11 331
12 364
13 397
14 430
15 463
16 496
17 529
18 562
19 595
20 628
21 661
22 694
23 727
24 760
25 793
26 826
27 859
28 892
29 925
30 958
31 991
32 1024
33 1057
34 1090
35 1123
36 1156
37 1189
38 1222
39 1255
40 1288
41 1321
42 1354
43 1387
44 1420
45 1453
46 1486
47 1519
48 1552
49 1585

List of values

[16, 40, 68, 100, 133, 166, 199, 232, 265, 298, 331, 364, 397, 430, 463, 496, 529, 562, 595, 628, 661, 694, 727, 760, 793, 826, 859, 892, 925, 958, 991, 1024, 1057, 1090, 1123, 1156, 1189, 1222, 1255, 1288, 1321, 1354, 1387, 1420, 1453, 1486, 1519, 1552, 1585]