A024312 - cp's OEIS frontend

A024312 a(n) = s(1)s(n) + s(2)s(n-1) + ... + s(k)*s(n+1-k), where k = floor((n+1)/2), s = (natural numbers >= 3).

n	a(n)
1	9
2	12
3	31
4	38
5	70
6	82
7	130
8	148
9	215
10	240
11	329
12	362
13	476
14	518
15	660
16	712
17	885
18	948
19	1155
20	1230
21	1474
22	1562
23	1846
24	1948
25	2275
26	2392
27	2765
28	2898
29	3320
30	3470
31	3944
32	4112
33	4641
34	4828
35	5415
36	5622
37	6270
38	6498
39	7210
40	7460
41	8239
42	8512
43	9361
44	9658
45	10580
46	10902
47	11900
48	12248
49	13325

[9, 12, 31, 38, 70, 82, 130, 148, 215, 240, 329, 362, 476, 518, 660, 712, 885, 948, 1155, 1230, 1474, 1562, 1846, 1948, 2275, 2392, 2765, 2898, 3320, 3470, 3944, 4112, 4641, 4828, 5415, 5622, 6270, 6498, 7210, 7460, 8239, 8512, 9361, 9658, 10580, 10902, 11900, 12248, 13325]

cp's OEIS Frontend

A024312 a(n) = s(1)s(n) + s(2)s(n-1) + ... + s(k)*s(n+1-k), where k = floor((n+1)/2), s = (natural numbers >= 3).

Table of values

List of values

cp's OEIS Frontend

A024312 a(n) = s(1)*s(n) + s(2)*s(n-1) + ... + s(k)*s(n+1-k), where k = floor((n+1)/2), s = (natural numbers >= 3).

Table of values

List of values

A024312 a(n) = s(1)s(n) + s(2)s(n-1) + ... + s(k)*s(n+1-k), where k = floor((n+1)/2), s = (natural numbers >= 3).