A245144 - cp's OEIS frontend

A245144 Number of n-node unlabeled rooted trees with thickening limbs and root outdegree (branching factor) 4.

n	a(n)
5	1
6	0
7	0
8	0
9	1
10	1
11	1
12	1
13	3
14	3
15	5
16	5
17	11
18	12
19	19
20	24
21	41
22	51
23	78
24	101
25	163
26	215
27	320
28	431
29	661
30	908
31	1333
32	1846
33	2745
34	3847
35	5630
36	7913
37	11620
38	16481
39	23991
40	34134
41	49782
42	71196
43	103416
44	148178
45	215511
46	309881
47	449941
48	647868
49	941279
50	1358857
51	1973315
52	2851880

[1, 0, 0, 0, 1, 1, 1, 1, 3, 3, 5, 5, 11, 12, 19, 24, 41, 51, 78, 101, 163, 215, 320, 431, 661, 908, 1333, 1846, 2745, 3847, 5630, 7913, 11620, 16481, 23991, 34134, 49782, 71196, 103416, 148178, 215511, 309881, 449941, 647868, 941279, 1358857, 1973315, 2851880]

cp's OEIS Frontend

A245144 Number of n-node unlabeled rooted trees with thickening limbs and root outdegree (branching factor) 4.

Table of values

List of values