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A080098 as a simple table

na(n)
00
11
21
32
43
52
63
73
83
93
104
115
126
137
144
155
165
177
187
195
205
216
227
236
247
256
267
276
287
297
307
317
327
337
347
357
368
379
3810
3911
4012
4113
4214
4315
448
459
469
4711
4811
4913
5013
5115
5215
539
549
5510
5611
5710
5811
5914
6015
6114
6215
6310
6411
6510
6611
6711
6811
6911
7015
7115
7215
7315
7411
7511
7611
7711
7812
7913
8014
8115
8212
8313
8414
8515
8612
8713
8814
8915
9012

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