A025077 - cp's OEIS frontend

A025077 s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = A023532, t = (primes).

n	a(n)
1	3
2	5
3	7
4	11
5	20
6	28
7	43
8	53
9	65
10	73
11	106
12	120
13	153
14	177
15	220
16	246
17	270
18	300
19	353
20	381
21	454
22	484
23	559
24	601
25	686
26	732
27	780
28	822
29	917
30	979
31	1080
32	1140
33	1263
34	1327
35	1456
36	1530
37	1673
38	1735
39	1823
40	1901
41	2062
42	2148
43	2301
44	2393
45	2572
46	2672
47	2863
48	2965
49	3166
50	3264
51	3475
52	3591

[3, 5, 7, 11, 20, 28, 43, 53, 65, 73, 106, 120, 153, 177, 220, 246, 270, 300, 353, 381, 454, 484, 559, 601, 686, 732, 780, 822, 917, 979, 1080, 1140, 1263, 1327, 1456, 1530, 1673, 1735, 1823, 1901, 2062, 2148, 2301, 2393, 2572, 2672, 2863, 2965, 3166, 3264, 3475, 3591]

cp's OEIS Frontend

A025077 s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = A023532, t = (primes).

Table of values

List of values