A137185 - OEIS

A137185 as a simple table

n	a(n)
1	3
2	31
3	73
4	87
5	115
6	129
7	171
8	241
9	283
10	297
11	339
12	367
13	409
14	451
15	535
16	577
17	591
18	619
19	717
20	745
21	787
22	801
23	885
24	927
25	997
26	1011
27	1039
28	1053
29	1095
30	1123
31	1179
32	1249
33	1263
34	1291
35	1389
36	1417
37	1459
38	1473
39	1501
40	1543
41	1585
42	1599
43	1641
44	1711
45	1767
46	1809
47	1879
48	1893
49	1921

[3,31,73,87,115,129,171,241,283,297,339,367,409, 451,535,577,591,619,717,745,787,801,885,927,997, 1011,1039,1053,1095,1123,1179,1249,1263,1291,1389, 1417,1459,1473,1501,1543,1585,1599,1641,1711,1767, 1809,1879,1893,1921]