A172969 - OEIS

A172969 as a simple table

n	a(n)
1	3
2	27
3	51
4	62
5	74
6	91
7	99
8	115
9	123
10	146
11	187
12	206
13	235
14	267
15	274
16	278
17	291
18	351
19	355
20	362
21	386
22	403
23	411
24	422
25	427
26	451
27	459
28	494
29	538
30	584
31	665
32	667
33	721
34	723
35	746
36	763
37	771
38	824
39	843
40	854
41	866
42	875
43	926
44	955
45	987
46	1003
47	1027
48	1034
49	1057
50	1070
51	1082

[3,27,51,62,74,91,99,115,123,146,187,206,235,267, 274,278,291,351,355,362,386,403,411,422,427,451, 459,494,538,584,665,667,721,723,746,763,771,824, 843,854,866,875,926,955,987,1003,1027,1034,1057, 1070,1082]