A207433 - cp's OEIS frontend

A207433 G.f.: Sum_{n>=0} Product_{k=1..n} (q^k - 1) where q = (1-x^3)/(1-x).

n	a(n)
0	1
1	1
2	3
3	11
4	56
5	350
6	2609
7	22582
8	222625
9	2462969
10	30219676
11	407276420
12	5981197376
13	95073427910
14	1626294895274
15	29788176027819
16	581704672430937
17	12064521684969823
18	264843222932272690
19	6135057298705027024
20	149559103545555671423
21	3827360866024134614644

[1, 1, 3, 11, 56, 350, 2609, 22582, 222625, 2462969, 30219676, 407276420, 5981197376, 95073427910, 1626294895274, 29788176027819, 581704672430937, 12064521684969823, 264843222932272690, 6135057298705027024, 149559103545555671423, 3827360866024134614644]

cp's OEIS Frontend

A207433 G.f.: Sum_{n>=0} Product_{k=1..n} (q^k - 1) where q = (1-x^3)/(1-x).

Table of values

List of values