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A309491 as a simple table

na(n)
10
21
31
43
51
66
71
88
95
1010
111
1217
131
1414
1511
1620
171
1826
191
2029
2115
2222
231
2444
259
2626
2721
2841
291
3056
311
3248
3323
3434
3517
3673
371
3838
3927
4076
411
4280
431
4465
4551
4646
471
48108
4913
5074
5135
5277
531
54102
5525
56108
5739
5858
591
60157
611

[0,1,1,3,1,6,1,8,5,10,1,17,1,14,11,20,1,26,1,29,
 15,22,1,44,9,26,21,41,1,56,1,48,23,34,17,73,1,38,
 27,76,1,80,1,65,51,46,1,108,13,74,35,77,1,102,25,
 108,39,58,1,157,1]