A327547 - cp's OEIS frontend

A327547 Triangular array read by rows: T(n,k) is the number of ordered pairs of n-permutations that generate a group with exactly k orbits, 0 <= k <= n, n >= 0.

n	a(n)
0	1
1	0
2	1
3	0
4	3
5	1
6	0
7	26
8	9
9	1
10	0
11	426
12	131
13	18
14	1
15	0
16	11064
17	2910
18	395
19	30
20	1
21	0
22	413640
23	92314
24	11475
25	925
26	45
27	1
28	0
29	20946960
30	3980172
31	438424
32	34125
33	1855
34	63
35	1
36	0
37	1377648720
38	224782284
39	21632436
40	1550689
41	84840
42	3346
43	84
44	1
45	0
46	114078384000
47	16158371184
48	1353378284
49	87036012
50	4533249
51	185976
52	5586
53	108
54	1

[1, 0, 1, 0, 3, 1, 0, 26, 9, 1, 0, 426, 131, 18, 1, 0, 11064, 2910, 395, 30, 1, 0, 413640, 92314, 11475, 925, 45, 1, 0, 20946960, 3980172, 438424, 34125, 1855, 63, 1, 0, 1377648720, 224782284, 21632436, 1550689, 84840, 3346, 84, 1, 0, 114078384000, 16158371184, 1353378284, 87036012, 4533249, 185976, 5586, 108, 1]

cp's OEIS Frontend

A327547 Triangular array read by rows: T(n,k) is the number of ordered pairs of n-permutations that generate a group with exactly k orbits, 0 <= k <= n, n >= 0.

Table of values

List of values