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A211206 as a simple table

na(n)
11
21
33
41
55
63
77
81
99
105
115
123
133
145
153
161
171
185
193
203
2111
225
231
241
253
263
275
285
2919
3013
311
323
331
345
357
361
377
381
397
405
415
421
4313
443
451
461
4711
489
491
505
513
521
533
5411
551
569
5720
5813
593
607
611
623
635
641
655
669
673
685
699
703
7111
721
737
743
7511
761
775
781

[1,1,3,1,5,3,7,1,9,5,5,3,3,5,3,1,1,5,3,3,11,5,1,1,
 3,3,5,5,19,13,1,3,1,5,7,1,7,1,7,5,5,1,13,3,1,1,11,
 9,1,5,3,1,3,11,1,9,20,13,3,7,1,3,5,1,5,9,3,5,9,3,
 11,1,7,3,11,1,5,1]