A032829 - OEIS

A032829 as a simple table

n	a(n)
1	3
2	4
3	18
4	19
5	23
6	24
7	93
8	94
9	98
10	99
11	118
12	119
13	123
14	124
15	468
16	469
17	473
18	474
19	493
20	494
21	498
22	499
23	593
24	594
25	598
26	599
27	618
28	619
29	623
30	624
31	2343
32	2344
33	2348
34	2349
35	2368
36	2369
37	2373
38	2374
39	2468
40	2469
41	2473
42	2474
43	2493
44	2494
45	2498

[3,4,18,19,23,24,93,94,98,99,118,119,123,124,468, 469,473,474,493,494,498,499,593,594,598,599,618, 619,623,624,2343,2344,2348,2349,2368,2369,2373, 2374,2468,2469,2473,2474,2493,2494,2498]