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A099551 as a simple table

na(n)
11
21
33
41
55
63
77
81
99
105
111
123
133
147
155
161
177
189
199
205
211
221
233
243
255
263
277
287
299
305
311
321
333
347
355
369
377
389
399
405
411
421
433
441
455
463
477
483
499
505
511
523
533
547
555
567
577
589
599
605
611
621
633
641
655
663
677
687
699
705
711
729
733
747
755
769
777
789
799
805
811
821
833
841
855
863
877
881
899
905
911
923
933
947
955
963
977
989
999
1005
1011
1021

[1,1,3,1,5,3,7,1,9,5,1,3,3,7,5,1,7,9,9,5,1,1,3,3,
 5,3,7,7,9,5,1,1,3,7,5,9,7,9,9,5,1,1,3,1,5,3,7,3,9,
 5,1,3,3,7,5,7,7,9,9,5,1,1,3,1,5,3,7,7,9,5,1,9,3,7,
 5,9,7,9,9,5,1,1,3,1,5,3,7,1,9,5,1,3,3,7,5,3,7,9,9,
 5,1,1]