A024853 - cp's OEIS frontend

A024853 a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = (natural numbers), t = (natural numbers >= 2).

n	a(n)
2	3
3	4
4	13
5	16
6	34
7	40
8	70
9	80
10	125
11	140
12	203
13	224
14	308
15	336
16	444
17	480
18	615
19	660
20	825
21	880
22	1078
23	1144
24	1378
25	1456
26	1729
27	1820
28	2135
29	2240
30	2600
31	2720
32	3128
33	3264
34	3723
35	3876
36	4389
37	4560
38	5130
39	5320
40	5950
41	6160
42	6853
43	7084
44	7843
45	8096
46	8924
47	9200
48	10100
49	10400

[3, 4, 13, 16, 34, 40, 70, 80, 125, 140, 203, 224, 308, 336, 444, 480, 615, 660, 825, 880, 1078, 1144, 1378, 1456, 1729, 1820, 2135, 2240, 2600, 2720, 3128, 3264, 3723, 3876, 4389, 4560, 5130, 5320, 5950, 6160, 6853, 7084, 7843, 8096, 8924, 9200, 10100, 10400]

cp's OEIS Frontend

A024853 a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = (natural numbers), t = (natural numbers >= 2).

Table of values

List of values