A336096 - cp's OEIS frontend

A336096 Irregular triangular array read by rows. T(n,k) is the number of unlabeled forests of distinct trees on n nodes containing exactly k trees.

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	1
7	3
8	3
9	6
10	5
11	1
12	11
13	11
14	2
15	23
16	21
17	5
18	47
19	46
20	12
21	106
22	96
23	27
24	2
25	235
26	216
27	62
28	4
29	551
30	482
31	142
32	13
33	1301
34	1121
35	328
36	33
37	3159
38	2633
39	763
40	87
41	1
42	7741
43	6334
44	1809
45	211
46	6
47	19320
48	15414
49	4322
50	532
51	18
52	48629
53	38132
54	10488
55	1301
56	55
57	123867
58	95321
59	25710
60	3232
61	157
62	317955
63	241029
64	63802
65	7996
66	429
67	3
68	823065
69	614862
70	159817
71	19973
72	1149
73	12

[1, 1, 1, 1, 2, 1, 3, 3, 6, 5, 1, 11, 11, 2, 23, 21, 5, 47, 46, 12, 106, 96, 27, 2, 235, 216, 62, 4, 551, 482, 142, 13, 1301, 1121, 328, 33, 3159, 2633, 763, 87, 1, 7741, 6334, 1809, 211, 6, 19320, 15414, 4322, 532, 18, 48629, 38132, 10488, 1301, 55, 123867, 95321, 25710, 3232, 157, 317955, 241029, 63802, 7996, 429, 3, 823065, 614862, 159817, 19973, 1149, 12]

cp's OEIS Frontend

A336096 Irregular triangular array read by rows. T(n,k) is the number of unlabeled forests of distinct trees on n nodes containing exactly k trees.

Table of values

List of values