A059530 - cp's OEIS frontend

A059530 Triangle T(n,k) of k-block T_0-tricoverings of an n-set, n >= 3, k = 0..2*n.

n	a(n)
3	0
4	0
5	0
6	0
7	1
8	3
9	1
10	0
11	0
12	0
13	0
14	1
15	39
16	89
17	43
18	3
19	0
20	0
21	0
22	0
23	0
24	252
25	2192
26	4090
27	2435
28	445
29	12
30	0
31	0
32	0
33	0
34	0
35	1260
36	37080
37	179890
38	289170
39	188540
40	50645
41	4710
42	70
43	0
44	0
45	0
46	0
47	0
48	5040
49	536760
50	6052730
51	20660055
52	29432319
53	19826737
54	6481160
55	964495
56	52430

[0, 0, 0, 0, 1, 3, 1, 0, 0, 0, 0, 1, 39, 89, 43, 3, 0, 0, 0, 0, 0, 252, 2192, 4090, 2435, 445, 12, 0, 0, 0, 0, 0, 1260, 37080, 179890, 289170, 188540, 50645, 4710, 70, 0, 0, 0, 0, 0, 5040, 536760, 6052730, 20660055, 29432319, 19826737, 6481160, 964495, 52430]

cp's OEIS Frontend

A059530 Triangle T(n,k) of k-block T_0-tricoverings of an n-set, n >= 3, k = 0..2*n.

Table of values

List of values