A305653 - cp's OEIS frontend

A305653 Expansion of Product_{k>=1} 1/(1 - x^k)^((k+1)*binomial(k+2,3)/2).

n	a(n)
0	1
1	1
2	7
3	27
4	98
5	323
6	1085
7	3471
8	10998
9	33874
10	102737
11	305849
12	897899
13	2597822
14	7423408
15	20957775
16	58524868
17	161741013
18	442705279
19	1200718351
20	3228796864
21	8611973548
22	22793714865
23	59887897679
24	156252738062
25	404964879419
26	1042884107691
27	2669317020743
28	6792321636929

[1, 1, 7, 27, 98, 323, 1085, 3471, 10998, 33874, 102737, 305849, 897899, 2597822, 7423408, 20957775, 58524868, 161741013, 442705279, 1200718351, 3228796864, 8611973548, 22793714865, 59887897679, 156252738062, 404964879419, 1042884107691, 2669317020743, 6792321636929]

cp's OEIS Frontend

A305653 Expansion of Product_{k>=1} 1/(1 - x^k)^((k+1)*binomial(k+2,3)/2).

Table of values

List of values