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A161621 as a simple table

na(n)
11
21
32
43
51
64
73
84
93
105
114
121
135
142
156
167
175
181
196
201
211
227
232
249
258
267
278
289
291
304
3110
329
3310
349
3510
361
373
3812
3911
4012
4111
423
4312
4411
4513
4610
4713
483
4910
5011
5115
524
5312
5413
5511
5612
5717
5813
591
6016
6113
6217
6315
647
6516
661
6715
6817
6913
707
711
7215
731
7417
759
7611
777
7818
7923
8013
8120
8219
8320
8417
8516

[1,1,2,3,1,4,3,4,3,5,4,1,5,2,6,7,5,1,6,1,1,7,2,9,
 8,7,8,9,1,4,10,9,10,9,10,1,3,12,11,12,11,3,12,11,
 13,10,13,3,10,11,15,4,12,13,11,12,17,13,1,16,13,
 17,15,7,16,1,15,17,13,7,1,15,1,17,9,11,7,18,23,13,
 20,19,20,17,16]