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.

A265163 Array of basis permutations, seen as a triangle read by rows: Row k (k >= 0) gives the values of b(n, k) = number of permutations of size n (2 <= n <= 2(k+1)) in the permutation basis B(k) (see Comments for further details).

Table of values

n a(n)
0 1
1 0
2 2
3 1
4 0
5 0
6 6
7 8
8 1
9 0
10 0
11 0
12 24
13 58
14 18
15 1
16 0
17 0
18 0
19 0
20 120
21 444
22 244
23 32
24 1
25 0
26 0
27 0
28 0
29 0
30 720
31 3708
32 3104
33 700
34 50
35 1
36 0
37 0
38 0
39 0
40 0
41 0
42 5040
43 33984
44 39708
45 13400
46 1610
47 72
48 1
49 0
50 0
51 0
52 0
53 0
54 0
55 0
56 40320
57 341136
58 525240
59 244708
60 43320
61 3206
62 98
63 1

List of values

[1, 0, 2, 1, 0, 0, 6, 8, 1, 0, 0, 0, 24, 58, 18, 1, 0, 0, 0, 0, 120, 444, 244, 32, 1, 0, 0, 0, 0, 0, 720, 3708, 3104, 700, 50, 1, 0, 0, 0, 0, 0, 0, 5040, 33984, 39708, 13400, 1610, 72, 1, 0, 0, 0, 0, 0, 0, 0, 40320, 341136, 525240, 244708, 43320, 3206, 98, 1]