A245049 - cp's OEIS frontend

A245049 Number A(n,k) of hybrid k-ary trees with n internal nodes; square array A(n,k), n>=0, k>=1, read by antidiagonals.

n	a(n)
0	1
1	1
2	2
3	1
4	2
5	3
6	1
7	2
8	7
9	5
10	1
11	2
12	11
13	31
14	8
15	1
16	2
17	15
18	81
19	154
20	13
21	1
22	2
23	19
24	155
25	684
26	820
27	21
28	1
29	2
30	23
31	253
32	1854
33	6257
34	4575
35	34
36	1
37	2
38	27
39	375
40	3920
41	24124
42	60325
43	26398
44	55
45	1
46	2
47	31
48	521
49	7138
50	66221
51	331575
52	603641
53	156233
54	89
55	1
56	2
57	35
58	691
59	11764
60	148348
61	1183077
62	4736345
63	6210059
64	943174
65	144

[1, 1, 2, 1, 2, 3, 1, 2, 7, 5, 1, 2, 11, 31, 8, 1, 2, 15, 81, 154, 13, 1, 2, 19, 155, 684, 820, 21, 1, 2, 23, 253, 1854, 6257, 4575, 34, 1, 2, 27, 375, 3920, 24124, 60325, 26398, 55, 1, 2, 31, 521, 7138, 66221, 331575, 603641, 156233, 89, 1, 2, 35, 691, 11764, 148348, 1183077, 4736345, 6210059, 943174, 144]

cp's OEIS Frontend

A245049 Number A(n,k) of hybrid k-ary trees with n internal nodes; square array A(n,k), n>=0, k>=1, read by antidiagonals.

Table of values

List of values