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A306996 as a simple table

na(n)
10
20
31
41
51
61
73
83
93
102
113
123
133
142
155
163
174
184
193
204
213
225
234
247
256
266
277
286
297
305
314
327
337
349
359
368
375
385
398
407
4111
429
437
446
457
468
4710
489
4910
5010
519
5211
5311
5413
5510
5611
579
5813
599
6011
6110
6210
6312
649
6512
6612
6713
6811
6913
7016
7115
7219
7311
7411
7513
7613
7717
789
7919
8012
8114
8212
8315
8416
8515
8618
8713
8817
8916
9012
9115
9215
9312
9416
9517

[0,0,1,1,1,1,3,3,3,2,3,3,3,2,5,3,4,4,3,4,3,5,4,7,
 6,6,7,6,7,5,4,7,7,9,9,8,5,5,8,7,11,9,7,6,7,8,10,9,
 10,10,9,11,11,13,10,11,9,13,9,11,10,10,12,9,12,12,
 13,11,13,16,15,19,11,11,13,13,17,9,19,12,14,12,15,
 16,15,18,13,17,16,12,15,15,12,16,17]