A330762 - cp's OEIS frontend

A330762 Triangle read by rows: T(n,k) is the number of series-reduced rooted trees whose leaves are multisets of colors with a total of n elements using exactly k colors.

n	a(n)
1	1
2	2
3	2
4	4
5	12
6	8
7	11
8	67
9	114
10	58
11	30
12	376
13	1230
14	1496
15	612
16	96
17	2174
18	12038
19	26156
20	24570
21	8374
22	308
23	12792
24	113028
25	389968
26	630300
27	481284
28	140408
29	1052
30	76972
31	1043355
32	5363331
33	13259870
34	17008218
35	10930150
36	2785906
37	3648
38	471260
39	9574934
40	70524256
41	250201560
42	479284952
43	508811114
44	282141552
45	63830764

[1, 2, 2, 4, 12, 8, 11, 67, 114, 58, 30, 376, 1230, 1496, 612, 96, 2174, 12038, 26156, 24570, 8374, 308, 12792, 113028, 389968, 630300, 481284, 140408, 1052, 76972, 1043355, 5363331, 13259870, 17008218, 10930150, 2785906, 3648, 471260, 9574934, 70524256, 250201560, 479284952, 508811114, 282141552, 63830764]

cp's OEIS Frontend

A330762 Triangle read by rows: T(n,k) is the number of series-reduced rooted trees whose leaves are multisets of colors with a total of n elements using exactly k colors.

Table of values

List of values