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A000688 as a simple table

na(n)
11
21
31
42
51
61
71
83
92
101
111
122
131
141
151
165
171
182
191
202
211
221
231
243
252
261
273
282
291
301
311
327
331
341
351
364
371
381
391
403
411
421
431
442
452
461
471
485
492
502
511
522
531
543
551
563
571
581
591
602
611
621
632
6411
651
661
671
682
691
701
711
726
731
741
752
762
771
781
791
805
815
821
831
842
851
861
871
883
891
902
911
922
931
941
951
967
971
982
992
1004
1011
1021
1031
1043
1051
1061
1071

[1,1,1,2,1,1,1,3,2,1,1,2,1,1,1,5,1,2,1,2,1,1,1,3,
 2,1,3,2,1,1,1,7,1,1,1,4,1,1,1,3,1,1,1,2,2,1,1,5,2,
 2,1,2,1,3,1,3,1,1,1,2,1,1,2,11,1,1,1,2,1,1,1,6,1,
 1,2,2,1,1,1,5,5,1,1,2,1,1,1,3,1,2,1,2,1,1,1,7,1,2,
 2,4,1,1,1,3,1,1,1]