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A037278 as a simple table

na(n)
11
212
313
4124
515
61236
717
81248
9139
1012510
11111
121234612
13113
1412714
1513515
16124816
17117
181236918
19119
2012451020
2113721
22121122
23123
241234681224
251525
26121326
2713927
2812471428
29129
3012356101530
31131
3212481632
33131133
34121734
3515735
36123469121836
37137

[1,12,13,124,15,1236,17,1248,139,12510,111,
 1234612,113,12714,13515,124816,117,1236918,119,
 12451020,13721,121122,123,1234681224,1525,121326,
 13927,12471428,129,12356101530,131,12481632,
 131133,121734,15735,123469121836,137]