A032805 - OEIS

A032805 as a simple table

n	a(n)
1	2
2	3
3	12
4	13
5	17
6	18
7	62
8	63
9	67
10	68
11	87
12	88
13	92
14	93
15	312
16	313
17	317
18	318
19	337
20	338
21	342
22	343
23	437
24	438
25	442
26	443
27	462
28	463
29	467
30	468
31	1562
32	1563
33	1567
34	1568
35	1587
36	1588
37	1592
38	1593
39	1687
40	1688
41	1692
42	1693
43	1712
44	1713
45	1717
46	1718

[2,3,12,13,17,18,62,63,67,68,87,88,92,93,312,313, 317,318,337,338,342,343,437,438,442,443,462,463, 467,468,1562,1563,1567,1568,1587,1588,1592,1593, 1687,1688,1692,1693,1712,1713,1717,1718]