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A101338 as a simple table

na(n)
01
12
24
39
420
541
677
7134
8219
9340
10506
11727
121014
131379
141835
152396
163077
173894
184864
196005
207336
218877
2210649
2312674
2414975
2517576
2620502
2723779
2827434
2931495
3035991
3140952
3246409
3352394
3458940
3566081
3673852
3782289
3891429
39101310
40111971

[1,2,4,9,20,41,77,134,219,340,506,727,1014,1379,
 1835,2396,3077,3894,4864,6005,7336,8877,10649,
 12674,14975,17576,20502,23779,27434,31495,35991,
 40952,46409,52394,58940,66081,73852,82289,91429,
 101310,111971]