A025072 - cp's OEIS frontend

A025072 s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = A023532, t = (odd natural numbers).

n	a(n)
1	3
2	5
3	7
4	9
5	18
6	22
7	35
8	41
9	47
10	53
11	72
12	80
13	103
14	113
15	140
16	152
17	164
18	176
19	209
20	223
21	260
22	276
23	317
24	335
25	380
26	400
27	420
28	440
29	491
30	513
31	568
32	592
33	651
34	677
35	740
36	768
37	835
38	865
39	895
40	925
41	998
42	1030
43	1107
44	1141
45	1222
46	1258
47	1343
48	1381
49	1470
50	1510
51	1603
52	1645
53	1687
54	1729
55	1828

[3, 5, 7, 9, 18, 22, 35, 41, 47, 53, 72, 80, 103, 113, 140, 152, 164, 176, 209, 223, 260, 276, 317, 335, 380, 400, 420, 440, 491, 513, 568, 592, 651, 677, 740, 768, 835, 865, 895, 925, 998, 1030, 1107, 1141, 1222, 1258, 1343, 1381, 1470, 1510, 1603, 1645, 1687, 1729, 1828]

cp's OEIS Frontend

A025072 s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = A023532, t = (odd natural numbers).

Table of values

List of values