A280088 - cp's OEIS frontend

A280088 Expansion of Product_{k>=1} 1/(1 - x^k)^(k!!).

n	a(n)
0	1
1	1
2	3
3	6
4	17
5	38
6	112
7	280
8	882
9	2416
10	8253
11	24458
12	91051
13	289704
14	1172288
15	3980034
16	17413820
17	62706119
18	294608079
19	1118820630
20	5603910081
21	22328924231
22	118432939871
23	492897768426
24	2752203529333
25	11918139966134
26	69709167028426
27	313080284080648
28	1910245872252972
29	8873669214476627
30	56283324138424814
31	269790676411694902

[1, 1, 3, 6, 17, 38, 112, 280, 882, 2416, 8253, 24458, 91051, 289704, 1172288, 3980034, 17413820, 62706119, 294608079, 1118820630, 5603910081, 22328924231, 118432939871, 492897768426, 2752203529333, 11918139966134, 69709167028426, 313080284080648, 1910245872252972, 8873669214476627, 56283324138424814, 269790676411694902]

cp's OEIS Frontend

A280088 Expansion of Product_{k>=1} 1/(1 - x^k)^(k!!).

Table of values

List of values