A361527 - cp's OEIS frontend

A361527 Triangular array read by rows. T(n,k) is the number of labeled digraphs on [n] having exactly k strongly connected components all of which are simple cycles, n >= 0, 0 <= k <= n.

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	3
6	0
7	2
8	21
9	25
10	0
11	6
12	213
13	774
14	543
15	0
16	24
17	3470
18	30275
19	59830
20	29281
21	0
22	120
23	95982
24	1847265
25	7757355
26	10110735
27	3781503
28	0
29	720
30	4578588
31	190855000
32	1522899105
33	3944546095
34	3767987307
35	1138779265

[1, 0, 1, 0, 1, 3, 0, 2, 21, 25, 0, 6, 213, 774, 543, 0, 24, 3470, 30275, 59830, 29281, 0, 120, 95982, 1847265, 7757355, 10110735, 3781503, 0, 720, 4578588, 190855000, 1522899105, 3944546095, 3767987307, 1138779265]

cp's OEIS Frontend

A361527 Triangular array read by rows. T(n,k) is the number of labeled digraphs on [n] having exactly k strongly connected components all of which are simple cycles, n >= 0, 0 <= k <= n.

Table of values

List of values