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A245570 as a simple table

na(n)
11
21
31
43
51
61
72
83
91
101
111
121
133
141
151
163
171
181
193
201
211
227
233
241
251
263
271
281
294
307
313
321
331
343
351
361
379
382
397
403
411
421
433
441
451
461
479
481
497
503
511
521
533
541
551
5611
571
589
591
607
613
621
631
643
651
661
676
6811
691
709
711
727
733
741
751
763
771
781
7913
803
8111
821
839
841
857
863
871
881
893
901
911

[1,1,1,3,1,1,2,3,1,1,1,1,3,1,1,3,1,1,3,1,1,7,3,1,
 1,3,1,1,4,7,3,1,1,3,1,1,9,2,7,3,1,1,3,1,1,1,9,1,7,
 3,1,1,3,1,1,11,1,9,1,7,3,1,1,3,1,1,6,11,1,9,1,7,3,
 1,1,3,1,1,13,3,11,1,9,1,7,3,1,1,3,1,1]