A320293 - cp's OEIS frontend

A320293 Number of series-reduced rooted trees whose leaves are integer partitions whose multiset union is an integer partition of n with no 1's.

n	a(n)
1	0
2	1
3	1
4	3
5	3
6	9
7	11
8	30
9	45
10	112
11	195
12	475
13	901
14	2136
15	4349
16	10156
17	21565
18	50003
19	109325
20	252761
21	563785
22	1303296
23	2948555
24	6826494
25	15604053
26	36210591
27	83415487
28	194094257
29	449813607
30	1049555795
31	2444027917
32	5718195984
33	13367881473
34	31357008065
35	73546933115

[0, 1, 1, 3, 3, 9, 11, 30, 45, 112, 195, 475, 901, 2136, 4349, 10156, 21565, 50003, 109325, 252761, 563785, 1303296, 2948555, 6826494, 15604053, 36210591, 83415487, 194094257, 449813607, 1049555795, 2444027917, 5718195984, 13367881473, 31357008065, 73546933115]

cp's OEIS Frontend

A320293 Number of series-reduced rooted trees whose leaves are integer partitions whose multiset union is an integer partition of n with no 1's.

Table of values

List of values