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A047546 as a simple table

na(n)
12
23
34
47
510
611
712
815
918
1019
1120
1223
1326
1427
1528
1631
1734
1835
1936
2039
2142
2243
2344
2447
2550
2651
2752
2855
2958
3059
3160
3263
3366
3467
3568
3671
3774
3875
3976
4079
4182
4283
4384
4487
4590
4691
4792
4895
4998
5099
51100
52103
53106
54107
55108
56111
57114
58115
59116
60119
61122
62123

[2,3,4,7,10,11,12,15,18,19,20,23,26,27,28,31,34,
 35,36,39,42,43,44,47,50,51,52,55,58,59,60,63,66,
 67,68,71,74,75,76,79,82,83,84,87,90,91,92,95,98,
 99,100,103,106,107,108,111,114,115,116,119,122,
 123]