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A139142 as a simple table

na(n)
11
23
39
420
537
661
793
8135
9188
10253
11331
12423
13530
14653
15793
16951
171128
181326
191546
201789
212056
222348
232666
243011
253384
263786
274218
284681
295176
305704
316266
326863
337496
348167
358877
369627
3710418
3811251
3912127
4013047
4114012
4215023
4316081
4417187
4518342
4619547

[1,3,9,20,37,61,93,135,188,253,331,423,530,653,
 793,951,1128,1326,1546,1789,2056,2348,2666,3011,
 3384,3786,4218,4681,5176,5704,6266,6863,7496,8167,
 8877,9627,10418,11251,12127,13047,14012,15023,
 16081,17187,18342,19547]