A227341 - cp's OEIS frontend

A227341 Triangular array: Number of partitions of the vertex set of a forest of two trees on n vertices into k nonempty independent sets.

n	a(n)
1	1
2	1
3	1
4	0
5	2
6	1
7	0
8	2
9	4
10	1
11	0
12	2
13	10
14	7
15	1
16	0
17	2
18	22
19	31
20	11
21	1
22	0
23	2
24	46
25	115
26	75
27	16
28	1
29	0
30	2
31	94
32	391
33	415
34	155
35	22
36	1
37	0
38	2
39	190
40	1267
41	2051
42	1190
43	287
44	29
45	1
46	0
47	2
48	382
49	3991
50	9471
51	8001
52	2912
53	490
54	37
55	1
56	0
57	2
58	766
59	12355
60	41875
61	49476
62	25473
63	6342
64	786
65	46
66	1

[1, 1, 1, 0, 2, 1, 0, 2, 4, 1, 0, 2, 10, 7, 1, 0, 2, 22, 31, 11, 1, 0, 2, 46, 115, 75, 16, 1, 0, 2, 94, 391, 415, 155, 22, 1, 0, 2, 190, 1267, 2051, 1190, 287, 29, 1, 0, 2, 382, 3991, 9471, 8001, 2912, 490, 37, 1, 0, 2, 766, 12355, 41875, 49476, 25473, 6342, 786, 46, 1]

cp's OEIS Frontend

A227341 Triangular array: Number of partitions of the vertex set of a forest of two trees on n vertices into k nonempty independent sets.

Table of values

List of values