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.

A263712 Number of length n arrays of permutations of 0..n-1 with each element moved by -3 to 3 places and every four consecutive elements having its maximum within 4 of its minimum.

Table of values

n a(n)
1 1
2 2
3 6
4 24
5 78
6 60
7 50
8 52
9 70
10 116
11 184
12 292
13 449
14 649
15 969
16 1429
17 2137
18 3238
19 4839
20 7285
21 10924
22 16339
23 24553
24 36769
25 55153
26 82769
27 124024
28 186099
29 279039
30 418384
31 627613
32 940985
33 1411273
34 2116505
35 3173705
36 4759874
37 7137847
38 10704221
39 16053112

List of values

[1, 2, 6, 24, 78, 60, 50, 52, 70, 116, 184, 292, 449, 649, 969, 1429, 2137, 3238, 4839, 7285, 10924, 16339, 24553, 36769, 55153, 82769, 124024, 186099, 279039, 418384, 627613, 940985, 1411273, 2116505, 3173705, 4759874, 7137847, 10704221, 16053112]