A024377 - cp's OEIS frontend

A024377 a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n+1-k), where k = [ (n+1)/2 ], s = A023532, t = (primes).

n	a(n)
1	2
2	3
3	5
4	7
5	16
6	20
7	35
8	43
9	53
10	65
11	86
12	106
13	137
14	153
15	196
16	220
17	246
18	270
19	329
20	353
21	412
22	454
23	521
24	559
25	642
26	686
27	732
28	780
29	869
30	917
31	1032
32	1080
33	1199
34	1263
35	1388
36	1456
37	1597
38	1673
39	1735
40	1823
41	1974
42	2062
43	2227
44	2301
45	2476
46	2572
47	2761
48	2863
49	3062
50	3166
51	3365
52	3475
53	3591

[2, 3, 5, 7, 16, 20, 35, 43, 53, 65, 86, 106, 137, 153, 196, 220, 246, 270, 329, 353, 412, 454, 521, 559, 642, 686, 732, 780, 869, 917, 1032, 1080, 1199, 1263, 1388, 1456, 1597, 1673, 1735, 1823, 1974, 2062, 2227, 2301, 2476, 2572, 2761, 2863, 3062, 3166, 3365, 3475, 3591]

cp's OEIS Frontend

A024377 a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n+1-k), where k = [ (n+1)/2 ], s = A023532, t = (primes).

Table of values

List of values