login

A213595 as a simple table

na(n)
11
21
33
41
59
63
71
83
93
103
111
123
133
143
1515
163
173
189
193
209
211
221
2315
2427
259
263
2715
281
295
305
313
329
339
349
353
363
371
383
3945
409
4115
421
4315
4415
4515
4645
479
4881
499
505
515
521
5325
545
553
563
575
585
593
6015
6127
629
6321
643
6581
669
673
6815
691
703
7175
7281
739
749
75135
7627
7725
7815

[1,1,3,1,9,3,1,3,3,3,1,3,3,3,15,3,3,9,3,9,1,1,15,
 27,9,3,15,1,5,5,3,9,9,9,3,3,1,3,45,9,15,1,15,15,
 15,45,9,81,9,5,5,1,25,5,3,3,5,5,3,15,27,9,21,3,81,
 9,3,15,1,3,75,81,9,9,135,27,25,15]