A095422 - cp's OEIS frontend

A095422 Triangle read by rows: T(n,m) = number of m-block proper T_0-covers (without empty blocks and without multiple blocks) of a labeled n-set (n>=2, 2<=m<=2^n-2).

n	a(n)
2	1
3	3
4	17
5	15
6	6
7	1
8	0
9	128
10	771
11	1882
12	2969
13	3428
14	3003
15	2002
16	1001
17	364
18	91
19	14
20	1
21	0
22	420
23	12845
24	108731
25	539105
26	1969355
27	5790720
28	14262105
29	30019990
30	54616835
31	86490040
32	119759185
33	145422590
34	155117515
35	145422675
36	119759850
37	86493225

[1, 3, 17, 15, 6, 1, 0, 128, 771, 1882, 2969, 3428, 3003, 2002, 1001, 364, 91, 14, 1, 0, 420, 12845, 108731, 539105, 1969355, 5790720, 14262105, 30019990, 54616835, 86490040, 119759185, 145422590, 155117515, 145422675, 119759850, 86493225]

cp's OEIS Frontend

A095422 Triangle read by rows: T(n,m) = number of m-block proper T_0-covers (without empty blocks and without multiple blocks) of a labeled n-set (n>=2, 2<=m<=2^n-2).

Table of values

List of values