A319254 - cp's OEIS frontend

A319254 Array read by antidiagonals: T(n,k) is the number of series-reduced rooted trees with n leaves of k colors.

n	a(n)
1	1
2	2
3	1
4	3
5	3
6	2
7	4
8	6
9	10
10	5
11	5
12	10
13	28
14	40
15	12
16	6
17	15
18	60
19	156
20	170
21	33
22	7
23	21
24	110
25	430
26	948
27	785
28	90
29	8
30	28
31	182
32	965
33	3396
34	6206
35	3770
36	261
37	9
38	36
39	280
40	1890
41	9376
42	28818
43	42504
44	18805
45	766
46	10
47	45
48	408
49	3360
50	21798
51	97775
52	256172
53	301548
54	96180
55	2312

[1, 2, 1, 3, 3, 2, 4, 6, 10, 5, 5, 10, 28, 40, 12, 6, 15, 60, 156, 170, 33, 7, 21, 110, 430, 948, 785, 90, 8, 28, 182, 965, 3396, 6206, 3770, 261, 9, 36, 280, 1890, 9376, 28818, 42504, 18805, 766, 10, 45, 408, 3360, 21798, 97775, 256172, 301548, 96180, 2312]

cp's OEIS Frontend

A319254 Array read by antidiagonals: T(n,k) is the number of series-reduced rooted trees with n leaves of k colors.

Table of values

List of values