A175461 - OEIS

A175461 as a simple table

n	a(n)
1	21
2	69
3	77
4	85
5	93
6	133
7	141
8	205
9	213
10	221
11	237
12	253
13	301
14	309
15	341
16	365
17	381
18	413
19	437
20	445
21	453
22	469
23	485
24	493
25	501
26	517
27	533
28	565
29	573
30	581
31	589
32	597
33	629
34	669
35	685
36	717
37	749
38	781
39	789
40	813
41	869
42	893
43	901
44	917
45	933
46	949
47	965
48	973
49	989
50	1037
51	1077
52	1101

[21,69,77,85,93,133,141,205,213,221,237,253,301, 309,341,365,381,413,437,445,453,469,485,493,501, 517,533,565,573,581,589,597,629,669,685,717,749, 781,789,813,869,893,901,917,933,949,965,973,989, 1037,1077,1101]