A308227 - cp's OEIS frontend

A308227 G.f.: (x/(1 - x)) * Product_{k>=1} ((1 + x^k)/(1 - x^k))^a(k).

n	a(n)
1	1
2	3
3	11
4	47
5	217
6	1065
7	5453
8	28789
9	155633
10	857207
11	4793103
12	27136555
13	155249971
14	896133487
15	5212477023
16	30522169103
17	179777122393
18	1064411910393
19	6331361864657
20	37817265028841
21	226731778956181
22	1363993567341257
23	8231111557650837
24	49812263080757845

[1, 3, 11, 47, 217, 1065, 5453, 28789, 155633, 857207, 4793103, 27136555, 155249971, 896133487, 5212477023, 30522169103, 179777122393, 1064411910393, 6331361864657, 37817265028841, 226731778956181, 1363993567341257, 8231111557650837, 49812263080757845]

cp's OEIS Frontend

A308227 G.f.: (x/(1 - x)) * Product_{k>=1} ((1 + x^k)/(1 - x^k))^a(k).

Table of values

List of values