A025117 - cp's OEIS frontend

A025117 a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = (odd natural numbers), t = (primes).

n	a(n)
1	3
2	5
3	22
4	32
5	81
6	111
7	212
8	256
9	429
10	519
11	794
12	926
13	1329
14	1537
15	2092
16	2368
17	3109
18	3427
19	4376
20	4818
21	6001
22	6495
23	7938
24	8542
25	10287
26	11075
27	13148
28	14074
29	16491
30	17505
31	20314
32	21444
33	24679
34	26067
35	29768
36	31298
37	35493
38	37249
39	41972
40	44054
41	49343
42	51607
43	57494

[3, 5, 22, 32, 81, 111, 212, 256, 429, 519, 794, 926, 1329, 1537, 2092, 2368, 3109, 3427, 4376, 4818, 6001, 6495, 7938, 8542, 10287, 11075, 13148, 14074, 16491, 17505, 20314, 21444, 24679, 26067, 29768, 31298, 35493, 37249, 41972, 44054, 49343, 51607, 57494]

cp's OEIS Frontend

A025117 a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = (odd natural numbers), t = (primes).

Table of values

List of values