A332709 - cp's OEIS frontend

A332709 Triangle T(n,k) read by rows where T(n,k) is the number of ménage permutations that map 1 to k, with 3 <= k <= n.

n	a(n)
3	1
4	1
5	1
6	4
7	5
8	4
9	20
10	20
11	20
12	20
13	115
14	116
15	117
16	116
17	115
18	787
19	791
20	791
21	791
22	791
23	787
24	6184
25	6203
26	6204
27	6205
28	6204
29	6203
30	6184
31	54888
32	55000
33	55004
34	55004
35	55004
36	55004
37	55000
38	54888
39	542805
40	543576
41	543595
42	543596
43	543597
44	543596
45	543595
46	543576
47	542805

[1, 1, 1, 4, 5, 4, 20, 20, 20, 20, 115, 116, 117, 116, 115, 787, 791, 791, 791, 791, 787, 6184, 6203, 6204, 6205, 6204, 6203, 6184, 54888, 55000, 55004, 55004, 55004, 55004, 55000, 54888, 542805, 543576, 543595, 543596, 543597, 543596, 543595, 543576, 542805]

cp's OEIS Frontend

A332709 Triangle T(n,k) read by rows where T(n,k) is the number of ménage permutations that map 1 to k, with 3 <= k <= n.

Table of values

List of values