A362648 - cp's OEIS frontend

A362648 Array read by antidiagonals: T(n,k) is the number of nonisomorphic multisets of involutions on an n-set with k involutions.

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	2
9	1
10	1
11	1
12	3
13	2
14	1
15	1
16	1
17	4
18	4
19	3
20	1
21	1
22	1
23	5
24	7
25	10
26	3
27	1
28	1
29	1
30	6
31	11
32	29
33	13
34	4
35	1
36	1
37	1
38	7
39	16
40	74
41	63
42	27
43	4
44	1
45	1
46	1
47	8
48	23
49	173
50	315
51	258
52	36
53	5
54	1
55	1
56	1
57	9
58	31
59	383
60	1532
61	3039
62	759
63	69
64	5
65	1
66	1
67	1
68	10
69	41
70	790
71	7093
72	38800
73	28550
74	3263
75	92
76	6
77	1

[1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 3, 2, 1, 1, 1, 4, 4, 3, 1, 1, 1, 5, 7, 10, 3, 1, 1, 1, 6, 11, 29, 13, 4, 1, 1, 1, 7, 16, 74, 63, 27, 4, 1, 1, 1, 8, 23, 173, 315, 258, 36, 5, 1, 1, 1, 9, 31, 383, 1532, 3039, 759, 69, 5, 1, 1, 1, 10, 41, 790, 7093, 38800, 28550, 3263, 92, 6, 1]

cp's OEIS Frontend

A362648 Array read by antidiagonals: T(n,k) is the number of nonisomorphic multisets of involutions on an n-set with k involutions.

Table of values

List of values