A115593 - cp's OEIS frontend

A115593 Number of forests of rooted trees with total weight n, where a node at height k has weight 2^k (with root considered to be at height 0).

n	a(n)
0	1
1	1
2	1
3	2
4	2
5	3
6	4
7	6
8	7
9	10
10	13
11	17
12	22
13	29
14	38
15	50
16	64
17	82
18	107
19	136
20	175
21	224
22	288
23	363
24	465
25	587
26	748
27	942
28	1196
29	1503
30	1902
31	2385
32	3004
33	3765
34	4729
35	5911
36	7406
37	9246
38	11549
39	14395
40	17941
41	22326
42	27767
43	34501
44	42821
45	53134
46	65828
47	81546
48	100871
49	124783

[1, 1, 1, 2, 2, 3, 4, 6, 7, 10, 13, 17, 22, 29, 38, 50, 64, 82, 107, 136, 175, 224, 288, 363, 465, 587, 748, 942, 1196, 1503, 1902, 2385, 3004, 3765, 4729, 5911, 7406, 9246, 11549, 14395, 17941, 22326, 27767, 34501, 42821, 53134, 65828, 81546, 100871, 124783]

cp's OEIS Frontend

A115593 Number of forests of rooted trees with total weight n, where a node at height k has weight 2^k (with root considered to be at height 0).

Table of values

List of values