A099392 - OEIS

A099392 as a simple table

n	a(n)
1	1
2	1
3	3
4	5
5	9
6	13
7	19
8	25
9	33
10	41
11	51
12	61
13	73
14	85
15	99
16	113
17	129
18	145
19	163
20	181
21	201
22	221
23	243
24	265
25	289
26	313
27	339
28	365
29	393
30	421
31	451
32	481
33	513
34	545
35	579
36	613
37	649
38	685
39	723
40	761
41	801
42	841
43	883
44	925
45	969
46	1013
47	1059
48	1105
49	1153
50	1201
51	1251
52	1301
53	1353
54	1405

[1,1,3,5,9,13,19,25,33,41,51,61,73,85,99,113,129, 145,163,181,201,221,243,265,289,313,339,365,393, 421,451,481,513,545,579,613,649,685,723,761,801, 841,883,925,969,1013,1059,1105,1153,1201,1251, 1301,1353,1405]