A281544 - cp's OEIS frontend

A281544 Expansion of Sum_{k>=2} x^prime(k)/(1 - x^prime(k)) / Product_{k>=2} (1 - x^prime(k)).

n	a(n)
1	0
2	0
3	1
4	0
5	1
6	2
7	1
8	2
9	3
10	4
11	4
12	6
13	7
14	8
15	11
16	12
17	15
18	18
19	20
20	26
21	29
22	34
23	40
24	46
25	54
26	62
27	71
28	82
29	94
30	106
31	122
32	138
33	157
34	178
35	201
36	226
37	254
38	286
39	321
40	360
41	402
42	448
43	501
44	558
45	619
46	690
47	764
48	846
49	938
50	1036
51	1145
52	1264
53	1392
54	1532
55	1687
56	1854
57	2036
58	2234
59	2448
60	2680
61	2934
62	3210
63	3507
64	3828
65	4178
66	4554
67	4961
68	5404

[0, 0, 1, 0, 1, 2, 1, 2, 3, 4, 4, 6, 7, 8, 11, 12, 15, 18, 20, 26, 29, 34, 40, 46, 54, 62, 71, 82, 94, 106, 122, 138, 157, 178, 201, 226, 254, 286, 321, 360, 402, 448, 501, 558, 619, 690, 764, 846, 938, 1036, 1145, 1264, 1392, 1532, 1687, 1854, 2036, 2234, 2448, 2680, 2934, 3210, 3507, 3828, 4178, 4554, 4961, 5404]

cp's OEIS Frontend

A281544 Expansion of Sum_{k>=2} x^prime(k)/(1 - x^prime(k)) / Product_{k>=2} (1 - x^prime(k)).

Table of values

List of values