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A089388 as a simple table

na(n)
12
23
34
46
57
69
713
815
916
1018
1121
1222
1325
1428
1534
1639
1742
1851
1955
2058
2160
2263
2367
2470
2572

[2,3,4,6,7,9,13,15,16,18,21,22,25,28,34,39,42,51,
 55,58,60,63,67,70,72]