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A023591 as a simple table

na(n)
11
21
31
41
51
63
71
81
91
101
112
122
131
141
151
161
171
181
193
201
212
221
231
241
251
261
272
281
291
301
311
321
332
342
351
361
372
381
391
401
411
422
431
442
451
461
472
481
491
503
511
521
531
541
551
561
572
581
591
601
614
621
631
641
651
661
671
683
691
701
711
721
732
742
751
761
771
781
791
802
811
821
831
842
851
861
871
881
891
902
911
921
932
941
953
961
971
981
991

[1,1,1,1,1,3,1,1,1,1,2,2,1,1,1,1,1,1,3,1,2,1,1,1,
 1,1,2,1,1,1,1,1,2,2,1,1,2,1,1,1,1,2,1,2,1,1,2,1,1,
 3,1,1,1,1,1,1,2,1,1,1,4,1,1,1,1,1,1,3,1,1,1,1,2,2,
 1,1,1,1,1,2,1,1,1,2,1,1,1,1,1,2,1,1,2,1,3,1,1,1,1]