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A063717 as a simple table

na(n)
21
31
42
51
64
71
84
93
105
111
129
131
147
159
168
171
1812
191
2016
219
2211
231
2418
255
2613
279
2816
291
3025
311
3216
3311
3417
3525
3627
371
3819
3913
4032
411
4236
431
4422
4527
4623
471
4836
497
5025
5117
5226
531
5436
5525
5649
5719
5829
591
6050
611
6231
6349
6432
6525
6644
671
6834
6923
7050
711
7264
731
7437
7545
7638
7749
7852
791
8064
8127
8241

[1,1,2,1,4,1,4,3,5,1,9,1,7,9,8,1,12,1,16,9,11,1,
 18,5,13,9,16,1,25,1,16,11,17,25,27,1,19,13,32,1,
 36,1,22,27,23,1,36,7,25,17,26,1,36,25,49,19,29,1,
 50,1,31,49,32,25,44,1,34,23,50,1,64,1,37,45,38,49,
 52,1,64,27,41]