A023741 - OEIS

A023741 as a simple table

n	a(n)
1	5
2	7
3	11
4	15
5	19
6	21
7	29
8	33
9	45
10	55
11	57
12	63
13	83
14	87
15	99
16	135
17	163
18	165
19	171
20	189
21	245
22	249
23	261
24	297
25	405
26	487
27	489
28	495
29	513
30	567
31	731
32	735
33	747
34	783
35	891
36	1215
37	1459
38	1461
39	1467
40	1485
41	1539
42	1701
43	2189
44	2193
45	2205
46	2241
47	2349
48	2673
49	3645
50	4375
51	4377

[5,7,11,15,19,21,29,33,45,55,57,63,83,87,99,135, 163,165,171,189,245,249,261,297,405,487,489,495, 513,567,731,735,747,783,891,1215,1459,1461,1467, 1485,1539,1701,2189,2193,2205,2241,2349,2673,3645, 4375,4377]