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A157261 as a simple table

na(n)
11
21
31
43
51
61
71
84
91
101
111
123
131
141
151
169
171
181
191
203
211
221
231
244
251
261
271
283
291
301
311
329
331
341
351
363
371
381
391
404
411
421
431
443
451
461
471
489
491
501
511
523
531
541
551
564
571
581
591
603
611
621
631
6410
651
661
671
683
691
701
711
724
731
741
751
763
771
781
791
809
811
821
831
843
851
861
871
884
891
901
911
923
931
941
951
969
971
981
991
1003
1011
1021
1031
1044
1051
1061
1071
1083

[1,1,1,3,1,1,1,4,1,1,1,3,1,1,1,9,1,1,1,3,1,1,1,4,
 1,1,1,3,1,1,1,9,1,1,1,3,1,1,1,4,1,1,1,3,1,1,1,9,1,
 1,1,3,1,1,1,4,1,1,1,3,1,1,1,10,1,1,1,3,1,1,1,4,1,
 1,1,3,1,1,1,9,1,1,1,3,1,1,1,4,1,1,1,3,1,1,1,9,1,1,
 1,3,1,1,1,4,1,1,1,3]