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A043037 as a simple table

na(n)
12
222
3202
4212
5222
6232
7242
8252
9262
10272
11282
12292
132002
142112
152222
162332
172442
182552
192662
202772
212882
222992
2320002
2420102
2520202
2620302
2720402
2820502
2920602
3020702
3120802
3220902
3321012
3421112
3521212
3621312
3721412
3821512
3921612
4021712
4121812
4221912

[2,22,202,212,222,232,242,252,262,272,282,292,
 2002,2112,2222,2332,2442,2552,2662,2772,2882,2992,
 20002,20102,20202,20302,20402,20502,20602,20702,
 20802,20902,21012,21112,21212,21312,21412,21512,
 21612,21712,21812,21912]