A281852 - cp's OEIS frontend

A281852 Expansion of Sum_{p prime, i>=1} x^(p^i) / (1 - Sum_{p prime, j>=1} x^(p^j))^2.

n	a(n)
1	0
2	1
3	1
4	3
5	5
6	9
7	18
8	29
9	55
10	91
11	163
12	274
13	472
14	798
15	1349
16	2275
17	3804
18	6380
19	10614
20	17685
21	29318
22	48584
23	80296
24	132506
25	218329
26	359139
27	590092
28	968120
29	1586707
30	2597349
31	4247619
32	6939353
33	11326636
34	18471726
35	30099313
36	49008929
37	79739345
38	129650164
39	210661777
40	342080831
41	555153086
42	900432434
43	1459670289

[0, 1, 1, 3, 5, 9, 18, 29, 55, 91, 163, 274, 472, 798, 1349, 2275, 3804, 6380, 10614, 17685, 29318, 48584, 80296, 132506, 218329, 359139, 590092, 968120, 1586707, 2597349, 4247619, 6939353, 11326636, 18471726, 30099313, 49008929, 79739345, 129650164, 210661777, 342080831, 555153086, 900432434, 1459670289]

cp's OEIS Frontend

A281852 Expansion of Sum_{p prime, i>=1} x^(p^i) / (1 - Sum_{p prime, j>=1} x^(p^j))^2.

Table of values

List of values