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.

A263713 Number of length n arrays of permutations of 0..n-1 with each element moved by -4 to 4 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
5 120
6 72
7 54
8 54
9 72
10 120
11 192
12 308
13 480
14 688
15 1024
16 1504
17 2244
18 3408
19 5092
20 7672
21 11508
22 17200
23 25856
24 38712
25 58064
26 87156
27 130576
28 195948
29 293808
30 440500
31 660832
32 990752
33 1485920
34 2228496
35 3341556
36 5011696
37 7515444
38 11270424
39 16902388

List of values

[1, 2, 6, 24, 120, 72, 54, 54, 72, 120, 192, 308, 480, 688, 1024, 1504, 2244, 3408, 5092, 7672, 11508, 17200, 25856, 38712, 58064, 87156, 130576, 195948, 293808, 440500, 660832, 990752, 1485920, 2228496, 3341556, 5011696, 7515444, 11270424, 16902388]