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A250047 as a simple table

na(n)
12
23
34
45
56
614
716
818
920
1021
1124
1227
1328
1430
1532
1634
1735
1840
1942
2044
2145
2246
2348
2498
25100
26102
27104
28112
29114
30116
31118
32126
33128
34129
35130
36132
37140
38142
39144
40145
41146
42147
43150
44153
45168
46170
47171
48172
49174
50189
51192
52195
53196
54198
55200
56202
57210

[2,3,4,5,6,14,16,18,20,21,24,27,28,30,32,34,35,40,
 42,44,45,46,48,98,100,102,104,112,114,116,118,126,
 128,129,130,132,140,142,144,145,146,147,150,153,
 168,170,171,172,174,189,192,195,196,198,200,202,
 210]