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A326690 as a simple table

na(n)
11
21
31
44
51
63
71
88
99
105
111
124
131
147
1515
1616
171
189
191
2020
217
2211
231
2424
2525
2613
2727
2828
291
301
311
3232
3333
3417
3535
3636
371
3819
3913
4040
411
4221
431
4444
4545
4623
471
4816
4949
5025
5151
5252
531
5427
5511
568
5719
5829
591
6060
611
6231
6363
6464
6565
6611
671
6868
6969
7035
711
7272

[1,1,1,4,1,3,1,8,9,5,1,4,1,7,15,16,1,9,1,20,7,11,
 1,24,25,13,27,28,1,1,1,32,33,17,35,36,1,19,13,40,
 1,21,1,44,45,23,1,16,49,25,51,52,1,27,11,8,19,29,
 1,60,1,31,63,64,65,11,1,68,69,35,1,72]