A319376 - cp's OEIS frontend

A319376 Triangle read by rows: T(n,k) is the number of lone-child-avoiding rooted trees with n leaves of exactly k colors.

n	a(n)
1	1
2	1
3	1
4	2
5	6
6	4
7	5
8	30
9	51
10	26
11	12
12	146
13	474
14	576
15	236
16	33
17	719
18	3950
19	8572
20	8060
21	2752
22	90
23	3590
24	31464
25	108416
26	175380
27	134136
28	39208
29	261
30	18283
31	245916
32	1262732
33	3124650
34	4014348
35	2584568
36	660032
37	766
38	94648
39	1908858
40	14047288
41	49885320
42	95715728
43	101799712
44	56555904
45	12818912

[1, 1, 1, 2, 6, 4, 5, 30, 51, 26, 12, 146, 474, 576, 236, 33, 719, 3950, 8572, 8060, 2752, 90, 3590, 31464, 108416, 175380, 134136, 39208, 261, 18283, 245916, 1262732, 3124650, 4014348, 2584568, 660032, 766, 94648, 1908858, 14047288, 49885320, 95715728, 101799712, 56555904, 12818912]

cp's OEIS Frontend

A319376 Triangle read by rows: T(n,k) is the number of lone-child-avoiding rooted trees with n leaves of exactly k colors.

Table of values

List of values