A186373 - cp's OEIS frontend

A186373 Triangle read by rows: T(n,k) is the number of permutations of [n] having k strong fixed blocks (see first comment for definition).

n	a(n)
0	1
1	0
2	1
3	1
4	1
5	3
6	3
7	14
8	9
9	1
10	77
11	38
12	5
13	497
14	198
15	25
16	3676
17	1229
18	134
19	1
20	30677
21	8819
22	815
23	9
24	285335
25	71825
26	5657
27	63
28	2928846
29	654985
30	44549
31	419
32	1
33	32903721
34	6615932
35	394266
36	2868
37	13
38	401739797
39	73357572
40	3883182
41	20932
42	117
43	5298600772
44	886078937
45	42174500
46	165662
47	928
48	1

[1, 0, 1, 1, 1, 3, 3, 14, 9, 1, 77, 38, 5, 497, 198, 25, 3676, 1229, 134, 1, 30677, 8819, 815, 9, 285335, 71825, 5657, 63, 2928846, 654985, 44549, 419, 1, 32903721, 6615932, 394266, 2868, 13, 401739797, 73357572, 3883182, 20932, 117, 5298600772, 886078937, 42174500, 165662, 928, 1]

cp's OEIS Frontend

A186373 Triangle read by rows: T(n,k) is the number of permutations of [n] having k strong fixed blocks (see first comment for definition).

Table of values

List of values