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A047578 as a simple table

na(n)
12
25
36
47
510
613
714
815
918
1021
1122
1223
1326
1429
1530
1631
1734
1837
1938
2039
2142
2245
2346
2447
2550
2653
2754
2855
2958
3061
3162
3263
3366
3469
3570
3671
3774
3877
3978
4079
4182
4285
4386
4487
4590
4693
4794
4895
4998
50101
51102
52103
53106
54109
55110
56111
57114
58117
59118
60119
61122
62125

[2,5,6,7,10,13,14,15,18,21,22,23,26,29,30,31,34,
 37,38,39,42,45,46,47,50,53,54,55,58,61,62,63,66,
 69,70,71,74,77,78,79,82,85,86,87,90,93,94,95,98,
 101,102,103,106,109,110,111,114,117,118,119,122,
 125]