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.

A368213 Triangular array read by rows: Number of permutations of [n] that factor into exactly k-cycles, ordered by n (rows) and divisors k of n (columns).

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 0
6 2
7 1
8 3
9 0
10 6
11 1
12 0
13 0
14 0
15 24
16 1
17 15
18 40
19 0
20 0
21 120
22 1
23 0
24 0
25 0
26 0
27 0
28 720
29 1
30 105
31 0
32 1260
33 0
34 0
35 0
36 5040
37 1
38 0
39 2240
40 0
41 0
42 0
43 0
44 0
45 40320
46 1
47 945
48 0
49 0
50 72576
51 0
52 0
53 0
54 0
55 362880
56 1
57 0
58 0
59 0
60 0
61 0
62 0
63 0
64 0
65 0
66 3628800
67 1
68 10395
69 246400
70 1247400
71 0
72 6652800
73 0
74 0
75 0
76 0
77 0
78 39916800

List of values

[1, 1, 1, 1, 0, 2, 1, 3, 0, 6, 1, 0, 0, 0, 24, 1, 15, 40, 0, 0, 120, 1, 0, 0, 0, 0, 0, 720, 1, 105, 0, 1260, 0, 0, 0, 5040, 1, 0, 2240, 0, 0, 0, 0, 0, 40320, 1, 945, 0, 0, 72576, 0, 0, 0, 0, 362880, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3628800, 1, 10395, 246400, 1247400, 0, 6652800, 0, 0, 0, 0, 0, 39916800]