A173530 - OEIS

A173530 as a simple table

n	a(n)
0	0
1	1
2	3
3	7
4	11
5	15
6	23
7	39
8	47
9	51
10	59
11	75
12	91
13	107
14	139
15	203
16	219
17	223
18	231
19	247
20	263
21	279
22	311
23	375
24	407
25	423
26	455
27	519
28	583
29	647
30	775
31	1031
32	1063
33	1067
34	1075
35	1091
36	1107
37	1123
38	1155
39	1219
40	1251
41	1267
42	1299
43	1363
44	1427
45	1491
46	1619

[0,1,3,7,11,15,23,39,47,51,59,75,91,107,139,203, 219,223,231,247,263,279,311,375,407,423,455,519, 583,647,775,1031,1063,1067,1075,1091,1107,1123, 1155,1219,1251,1267,1299,1363,1427,1491,1619]