A174786 - OEIS

A174786 as a simple table

n	a(n)
1	3
2	9
3	15
4	21
5	39
6	45
7	51
8	81
9	99
10	105
11	129
12	165
13	171
14	189
15	225
16	231
17	249
18	255
19	261
20	309
21	345
22	351
23	381
24	441
25	459
26	501
27	555
28	561
29	585
30	591
31	639
32	645
33	651
34	675
35	819
36	855
37	879
38	939
39	945
40	969
41	975
42	1011
43	1089
44	1095
45	1101
46	1179
47	1185
48	1215
49	1221
50	1275
51	1281
52	1299
53	1359
54	1365

[3,9,15,21,39,45,51,81,99,105,129,165,171,189,225, 231,249,255,261,309,345,351,381,441,459,501,555, 561,585,591,639,645,651,675,819,855,879,939,945, 969,975,1011,1089,1095,1101,1179,1185,1215,1221, 1275,1281,1299,1359,1365]