A067589 - OEIS

A067589 as a simple table

n	a(n)
1	1
2	5
3	7
4	15
5	35
6	51
7	57
8	77
9	117
10	145
11	155
12	187
13	247
14	287
15	301
16	345
17	425
18	477
19	495
20	551
21	651
22	715
23	737
24	805
25	925
26	1001
27	1027
28	1107
29	1247
30	1335
31	1365
32	1457
33	1617
34	1717
35	1751
36	1855
37	2035
38	2147
39	2185
40	2301
41	2501
42	2625
43	2667
44	2795
45	3015
46	3151
47	3197
48	3337

[1,5,7,15,35,51,57,77,117,145,155,187,247,287,301, 345,425,477,495,551,651,715,737,805,925,1001,1027, 1107,1247,1335,1365,1457,1617,1717,1751,1855,2035, 2147,2185,2301,2501,2625,2667,2795,3015,3151,3197, 3337]