A291583 - cp's OEIS frontend

A291583 Expansion of Product_{k>=1} 1/(1 - 2*x^(k^2)).

n	a(n)
0	1
1	2
2	4
3	8
4	18
5	36
6	72
7	144
8	292
9	586
10	1172
11	2344
12	4696
13	9396
14	18792
15	37584
16	75186
17	150380
18	300764
19	601528
20	1203092
21	2406200
22	4812408
23	9624816
24	19249704
25	38499446
26	76998908
27	153997824
28	307995792
29	615991660
30	1231983352
31	2463966720
32	4927933732
33	9855867616

[1, 2, 4, 8, 18, 36, 72, 144, 292, 586, 1172, 2344, 4696, 9396, 18792, 37584, 75186, 150380, 300764, 601528, 1203092, 2406200, 4812408, 9624816, 19249704, 38499446, 76998908, 153997824, 307995792, 615991660, 1231983352, 2463966720, 4927933732, 9855867616]

cp's OEIS Frontend

A291583 Expansion of Product_{k>=1} 1/(1 - 2*x^(k^2)).

Table of values

List of values