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A047202 as a simple table

na(n)
12
23
34
47
58
69
712
813
914
1017
1118
1219
1322
1423
1524
1627
1728
1829
1932
2033
2134
2237
2338
2439
2542
2643
2744
2847
2948
3049
3152
3253
3354
3457
3558
3659
3762
3863
3964
4067
4168
4269
4372
4473
4574
4677
4778
4879
4982
5083
5184
5287
5388
5489
5592
5693
5794
5897
5998
6099
61102
62103
63104
64107
65108

[2,3,4,7,8,9,12,13,14,17,18,19,22,23,24,27,28,29,
 32,33,34,37,38,39,42,43,44,47,48,49,52,53,54,57,
 58,59,62,63,64,67,68,69,72,73,74,77,78,79,82,83,
 84,87,88,89,92,93,94,97,98,99,102,103,104,107,108]