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A166333 as a simple table

na(n)
01
12
23
31
45
51
67
71
85
91
1011
111
1213
131
143
151
1617
171
1819
191
2011
211
2223
231
2413
251
263
271
2829
291
3031
311
3217
331
343
351
3637
371
383
391
4041
411
4243
431
4423
451
4647
471
4817
491
5011
511
5253
531
5419
551
5629
571
5859
591
6061
611
623
631
6417
651
6667
671
685
691
7071
711
7273
731
743
751
765
771
7879
791
8041
811
8283
831
8443
851
863
871
8889
891

[1,2,3,1,5,1,7,1,5,1,11,1,13,1,3,1,17,1,19,1,11,1,
 23,1,13,1,3,1,29,1,31,1,17,1,3,1,37,1,3,1,41,1,43,
 1,23,1,47,1,17,1,11,1,53,1,19,1,29,1,59,1,61,1,3,
 1,17,1,67,1,5,1,71,1,73,1,3,1,5,1,79,1,41,1,83,1,
 43,1,3,1,89,1]