A168542 - cp's OEIS frontend

A168542 Number of trees that have a maximum 'n'.

n	a(n)
0	1
1	1
2	1
3	2
4	2
5	4
6	5
7	10
8	10
9	20
10	25
11	50
12	52
13	104
14	130
15	260
16	260
17	520
18	650
19	1300
20	1352
21	2704
22	3380
23	6760
24	6770
25	13540
26	16925
27	33850
28	35204
29	70408
30	88010
31	176020
32	176020
33	352040
34	440050
35	880100
36	915304
37	1830608
38	2288260
39	4576520
40	4583290
41	9166580
42	11458225

[1, 1, 1, 2, 2, 4, 5, 10, 10, 20, 25, 50, 52, 104, 130, 260, 260, 520, 650, 1300, 1352, 2704, 3380, 6760, 6770, 13540, 16925, 33850, 35204, 70408, 88010, 176020, 176020, 352040, 440050, 880100, 915304, 1830608, 2288260, 4576520, 4583290, 9166580, 11458225]

cp's OEIS Frontend

A168542 Number of trees that have a maximum 'n'.

Table of values

List of values