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A081297 as a simple table

na(n)
01
11
21
31
41
51
61
71
83
91
101
111
127
135
141
151
161
1713
1813
1911
201
211
221
2321
2425
2555
2621
271
281
291
3031
3141
32181
33133
3443
351
361
371
3843
3961
40461
41481
42463
4385
441
451
461
4757
4885
49991
501281
512653
521261
53171
541
551
561
5773
58113
591891
602821
6110501
628425
634039
64341
651
661
671
6891
69145
703305

[1,1,1,1,1,1,1,1,3,1,1,1,7,5,1,1,1,13,13,11,1,1,1,
 21,25,55,21,1,1,1,31,41,181,133,43,1,1,1,43,61,
 461,481,463,85,1,1,1,57,85,991,1281,2653,1261,171,
 1,1,1,73,113,1891,2821,10501,8425,4039,341,1,1,1,
 91,145,3305]