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A074727 as a simple table

na(n)
21
31
41
52
61
72
86
97
104
111
122
134
1416
151
166
176
182
193
201
213
223
236
243
255
261
272
281
292
302
312
3215
331
3415
351
367
373
382
3921
405
4115
424
4316
441
458
461
477
481
492
507
517
522
531
5420
552
5615
571
586
591
601
618
6222
632
641
6520
6664
673
681
6931
7014
7122
7219
7366
747
751
7614
771
7815
7910
807
812
826
8319
841
854
868
872
881
897
9018
913
922
931
942

[1,1,1,2,1,2,6,7,4,1,2,4,16,1,6,6,2,3,1,3,3,6,3,5,
 1,2,1,2,2,2,15,1,15,1,7,3,2,21,5,15,4,16,1,8,1,7,
 1,2,7,7,2,1,20,2,15,1,6,1,1,8,22,2,1,20,64,3,1,31,
 14,22,19,66,7,1,14,1,15,10,7,2,6,19,1,4,8,2,1,7,
 18,3,2,1,2]