A303438 - cp's OEIS frontend

A303438 Expansion of Product_{k>=1} ((1 + 2^kx^k)/(1 - 2^kx^k))^(1/2^k).

n	a(n)
0	1
1	2
2	4
3	10
4	18
5	38
6	80
7	158
8	292
9	630
10	1260
11	2470
12	4922
13	9706
14	19392
15	41010
16	78466
17	155494
18	318764
19	625670
20	1238854
21	2567666
22	5106208
23	10122522
24	20022960
25	40082154
26	80027140
27	163330106
28	324201942
29	643489014
30	1306843568
31	2592220110
32	5081546084

[1, 2, 4, 10, 18, 38, 80, 158, 292, 630, 1260, 2470, 4922, 9706, 19392, 41010, 78466, 155494, 318764, 625670, 1238854, 2567666, 5106208, 10122522, 20022960, 40082154, 80027140, 163330106, 324201942, 643489014, 1306843568, 2592220110, 5081546084]

cp's OEIS Frontend

A303438 Expansion of Product_{k>=1} ((1 + 2^kx^k)/(1 - 2^kx^k))^(1/2^k).

Table of values

List of values

cp's OEIS Frontend

A303438 Expansion of Product_{k>=1} ((1 + 2^k*x^k)/(1 - 2^k*x^k))^(1/2^k).

Table of values

List of values

A303438 Expansion of Product_{k>=1} ((1 + 2^kx^k)/(1 - 2^kx^k))^(1/2^k).