A327725 - cp's OEIS frontend

A327725 Expansion of Product_{i>=1, j>=1} (1 + x^(i*prime(j))).

n	a(n)
0	1
1	0
2	1
3	1
4	1
5	2
6	3
7	3
8	4
9	6
10	7
11	9
12	12
13	14
14	18
15	24
16	27
17	35
18	43
19	51
20	64
21	79
22	92
23	113
24	137
25	162
26	195
27	235
28	276
29	329
30	394
31	460
32	546
33	646
34	753
35	890
36	1044
37	1214
38	1422
39	1662
40	1927
41	2245
42	2611
43	3015
44	3497
45	4051
46	4662
47	5385
48	6209
49	7128
50	8203
51	9423
52	10786

[1, 0, 1, 1, 1, 2, 3, 3, 4, 6, 7, 9, 12, 14, 18, 24, 27, 35, 43, 51, 64, 79, 92, 113, 137, 162, 195, 235, 276, 329, 394, 460, 546, 646, 753, 890, 1044, 1214, 1422, 1662, 1927, 2245, 2611, 3015, 3497, 4051, 4662, 5385, 6209, 7128, 8203, 9423, 10786]

cp's OEIS Frontend

A327725 Expansion of Product_{i>=1, j>=1} (1 + x^(i*prime(j))).

Table of values

List of values