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A261101 as a simple table

na(n)
00
11
22
33
44
54
65
75
86
96
106
117
127
137
147
157
168
178
188
198
208
218
228
238
249
259
269
279
289
299
309
319
329
339
349
3510
3610
3710
3810
3910
4010
4110
4210
4310
4410
4510
4610
4710
4810
4910
5010
5110
5211
5311
5411
5511
5611
5711
5811
5911
6011
6111
6211
6311
6411
6511
6611
6711
6811
6911
7011
7111
7211
7311
7411
7511
7611
7712
7812
7912
8012
8112
8212
8312
8412
8512
8612
8712
8812
8912
9012
9112
9212
9312

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