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A292393 as a simple table

na(n)
21
31
43
51
65
71
87
94
106
111
1211
131
1413
157
165
171
1817
191
2019
218
2212
231
2423
256
2615
2713
289
291
3029
311
3231
3312
3418
3517
367
371
3837
3919
4013
411
4241
431
4443
4511
4624
471
4847
498
5021
5120
5217
531
5453
5512
5615
5720
5830
591
6059
611
6261
6331
649
6516
6613
671
6867
6924
7023
711
7271
731
7473
7537

[1,1,3,1,5,1,7,4,6,1,11,1,13,7,5,1,17,1,19,8,12,1,
 23,6,15,13,9,1,29,1,31,12,18,17,7,1,37,19,13,1,41,
 1,43,11,24,1,47,8,21,20,17,1,53,12,15,20,30,1,59,
 1,61,31,9,16,13,1,67,24,23,1,71,1,73,37]