A023538 - cp's OEIS frontend

A023538 Convolution of natural numbers with (1, p(1), p(2), ... ), where p(k) is the k-th prime.

n	a(n)
1	1
2	4
3	10
4	21
5	39
6	68
7	110
8	169
9	247
10	348
11	478
12	639
13	837
14	1076
15	1358
16	1687
17	2069
18	2510
19	3012
20	3581
21	4221
22	4934
23	5726
24	6601
25	7565
26	8626
27	9788
28	11053
29	12425
30	13906
31	15500
32	17221
33	19073
34	21062
35	23190
36	25467
37	27895
38	30480
39	33228
40	36143
41	39231
42	42498
43	45946
44	49585

[1, 4, 10, 21, 39, 68, 110, 169, 247, 348, 478, 639, 837, 1076, 1358, 1687, 2069, 2510, 3012, 3581, 4221, 4934, 5726, 6601, 7565, 8626, 9788, 11053, 12425, 13906, 15500, 17221, 19073, 21062, 23190, 25467, 27895, 30480, 33228, 36143, 39231, 42498, 45946, 49585]

cp's OEIS Frontend

A023538 Convolution of natural numbers with (1, p(1), p(2), ... ), where p(k) is the k-th prime.

Table of values

List of values