A304962 - cp's OEIS frontend

A304962 Expansion of Product_{k>=1} ((1 + x^k)/(1 - x^k))^(2^(k-1)).

n	a(n)
0	1
1	2
2	6
3	18
4	50
5	138
6	374
7	994
8	2610
9	6778
10	17414
11	44346
12	112034
13	280970
14	700038
15	1733706
16	4269970
17	10463154
18	25518198
19	61962458
20	149839602
21	360958306
22	866405702
23	2072579058
24	4942074082
25	11748730482
26	27849974598
27	65837539522
28	155236876018
29	365125130490
30	856767548022

[1, 2, 6, 18, 50, 138, 374, 994, 2610, 6778, 17414, 44346, 112034, 280970, 700038, 1733706, 4269970, 10463154, 25518198, 61962458, 149839602, 360958306, 866405702, 2072579058, 4942074082, 11748730482, 27849974598, 65837539522, 155236876018, 365125130490, 856767548022]

cp's OEIS Frontend

A304962 Expansion of Product_{k>=1} ((1 + x^k)/(1 - x^k))^(2^(k-1)).

Table of values

List of values