A064009 - cp's OEIS frontend

A064009 a(n) = Sum_{k=1..n} d(k)*prime(k), where d(k) = A001223.

n	a(n)
1	2
2	8
3	18
4	46
5	68
6	120
7	154
8	230
9	368
10	426
11	612
12	760
13	842
14	1014
15	1296
16	1614
17	1732
18	2098
19	2366
20	2508
21	2946
22	3262
23	3760
24	4472
25	4860
26	5062
27	5474
28	5688
29	6124
30	7706
31	8214
32	9000
33	9274
34	10664
35	10962
36	11868
37	12810
38	13462
39	14464
40	15502
41	15860
42	17670
43	18052

[2, 8, 18, 46, 68, 120, 154, 230, 368, 426, 612, 760, 842, 1014, 1296, 1614, 1732, 2098, 2366, 2508, 2946, 3262, 3760, 4472, 4860, 5062, 5474, 5688, 6124, 7706, 8214, 9000, 9274, 10664, 10962, 11868, 12810, 13462, 14464, 15502, 15860, 17670, 18052]

cp's OEIS Frontend

A064009 a(n) = Sum_{k=1..n} d(k)*prime(k), where d(k) = A001223.

Table of values

List of values