A302237 - cp's OEIS frontend

A302237 Expansion of Product_{k>=1} ((1 + x^k)/(1 - x^k))^(k*(k+1)/2).

n	a(n)
0	1
1	2
2	8
3	26
4	76
5	216
6	590
7	1554
8	3988
9	9988
10	24464
11	58794
12	138866
13	322808
14	739658
15	1672372
16	3734848
17	8245956
18	18012114
19	38952586
20	83448832
21	177194716
22	373111970
23	779430870
24	1615995262
25	3326484686
26	6800794428
27	13813260736
28	27881653590
29	55942340000
30	111601021856

[1, 2, 8, 26, 76, 216, 590, 1554, 3988, 9988, 24464, 58794, 138866, 322808, 739658, 1672372, 3734848, 8245956, 18012114, 38952586, 83448832, 177194716, 373111970, 779430870, 1615995262, 3326484686, 6800794428, 13813260736, 27881653590, 55942340000, 111601021856]

cp's OEIS Frontend

A302237 Expansion of Product_{k>=1} ((1 + x^k)/(1 - x^k))^(k*(k+1)/2).

Table of values

List of values