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A331177 as a simple table

na(n)
11
21
31
41
51
62
71
81
91
102
111
122
131
142
151
161
171
182
191
203
213
222
231
241
251
262
271
281
291
302
311
321
331
342
351
363
371
382
393
401
411
424
431
441
451
462
471
482
491
502
511
524
531
542
553
562
573
582
591
604
611
622
631
641
651
662
671
683
691
702
711
723
731
742
753
761
771
785
791
803
811
822
831
845
851
862
871
881
891
902
911
921
933
942
951
961
971
982
991
1004
1011
1022
1031
1041
1053

[1,1,1,1,1,2,1,1,1,2,1,2,1,2,1,1,1,2,1,3,3,2,1,1,
 1,2,1,1,1,2,1,1,1,2,1,3,1,2,3,1,1,4,1,1,1,2,1,2,1,
 2,1,4,1,2,3,2,3,2,1,4,1,2,1,1,1,2,1,3,1,2,1,3,1,2,
 3,1,1,5,1,3,1,2,1,5,1,2,1,1,1,2,1,1,3,2,1,1,1,2,1,
 4,1,2,1,1,3]