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A375932 as a simple table

na(n)
11
21
31
41
51
61
71
81
91
101
111
123
131
141
151
161
171
182
191
205
211
221
231
243
251
261
271
287
291
301
311
321
331
341
351
361
371
381
391
405
411
421
431
4411
455
461
471
483
491
502
511
5213
531
542
551
567
571
581
591
6015
611
621
637
641
651
661
671
6817
691
701
711
729
731
741
753
7619
771
781
791
805
811
821
831
8421
851

[1,1,1,1,1,1,1,1,1,1,1,3,1,1,1,1,1,2,1,5,1,1,1,3,
 1,1,1,7,1,1,1,1,1,1,1,1,1,1,1,5,1,1,1,11,5,1,1,3,
 1,2,1,13,1,2,1,7,1,1,1,15,1,1,7,1,1,1,1,17,1,1,1,
 9,1,1,3,19,1,1,1,5,1,1,1,21,1]