A294780 - cp's OEIS frontend

A294780 Expansion of Product_{k>=1} ((1 + x^k)/(1 - x^k))^(k*(k-1)/2).

n	a(n)
0	1
1	0
2	2
3	6
4	14
5	32
6	74
7	166
8	370
9	810
10	1736
11	3682
12	7718
13	15976
14	32754
15	66508
16	133794
17	266948
18	528424
19	1038178
20	2025456
21	3925360
22	7559298
23	14470162
24	27540598
25	52130440
26	98159832
27	183905636
28	342896254
29	636384748
30	1175823512
31	2163221030
32	3963353706
33	7232529308

[1, 0, 2, 6, 14, 32, 74, 166, 370, 810, 1736, 3682, 7718, 15976, 32754, 66508, 133794, 266948, 528424, 1038178, 2025456, 3925360, 7559298, 14470162, 27540598, 52130440, 98159832, 183905636, 342896254, 636384748, 1175823512, 2163221030, 3963353706, 7232529308]

cp's OEIS Frontend

A294780 Expansion of Product_{k>=1} ((1 + x^k)/(1 - x^k))^(k*(k-1)/2).

Table of values

List of values