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A161966 as a simple table

na(n)
12
22
32
42
52
63
72
82
92
102
112
123
133
142
155
162
172
182
192
202
212
222
232
242
252
262
272
283
293
302
312
322
332
342
352
362
372
383
392
402
412
427
432
442
453
465
472
482
492
502
512
523
532
542
553
562
575
582
592
603
613
622
632
645
652
662
673
682
692
7011
712
722
732
742
753
763
773
782
792
802
812
822
832
842
853
862
873
882
892
902
912
922
935
943
952
962
972
982
992
1002
1012
1027
1032
1042
1053

[2,2,2,2,2,3,2,2,2,2,2,3,3,2,5,2,2,2,2,2,2,2,2,2,
 2,2,2,3,3,2,2,2,2,2,2,2,2,3,2,2,2,7,2,2,3,5,2,2,2,
 2,2,3,2,2,3,2,5,2,2,3,3,2,2,5,2,2,3,2,2,11,2,2,2,
 2,3,3,3,2,2,2,2,2,2,2,3,2,3,2,2,2,2,2,5,3,2,2,2,2,
 2,2,2,7,2,2,3]