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A016560 as a simple table

na(n)
13
22
312
41
54
61
73
89
913
101
111
121
131
143
151
161
171
182
192
204
2152
221
231
242
251
261
272
2845
291
3038
3160
321
331
343
35100
366
3728
381
393
404
412
421
4391
441
45165
461
475
481
493
501
511
521
5318
542
551
5622
571
585
595
603
612
621
631
641
653
662
674
681
693
702
711
7239
732
741
751

[3,2,12,1,4,1,3,9,13,1,1,1,1,3,1,1,1,2,2,4,52,1,1,
 2,1,1,2,45,1,38,60,1,1,3,100,6,28,1,3,4,2,1,91,1,
 165,1,5,1,3,1,1,1,18,2,1,22,1,5,5,3,2,1,1,1,3,2,4,
 1,3,2,1,39,2,1,1]