A305630 - cp's OEIS frontend

A305630 Expansion of Product_{r = 1 or not a perfect power} 1/(1 - x^r).

n	a(n)
0	1
1	1
2	2
3	3
4	4
5	6
6	9
7	12
8	16
9	21
10	28
11	36
12	48
13	61
14	78
15	99
16	124
17	156
18	195
19	241
20	299
21	367
22	450
23	549
24	670
25	811
26	982
27	1183
28	1422
29	1704
30	2040
31	2431
32	2894
33	3435
34	4070
35	4811
36	5679
37	6684
38	7858
39	9217
40	10797
41	12623
42	14738
43	17174
44	19988
45	23225
46	26951
47	31227
48	36141
49	41759

[1, 1, 2, 3, 4, 6, 9, 12, 16, 21, 28, 36, 48, 61, 78, 99, 124, 156, 195, 241, 299, 367, 450, 549, 670, 811, 982, 1183, 1422, 1704, 2040, 2431, 2894, 3435, 4070, 4811, 5679, 6684, 7858, 9217, 10797, 12623, 14738, 17174, 19988, 23225, 26951, 31227, 36141, 41759]

cp's OEIS Frontend

A305630 Expansion of Product_{r = 1 or not a perfect power} 1/(1 - x^r).

Table of values

List of values