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A123578 as a simple table

na(n)
00
11
22
32
43
53
63
74
84
94
104
115
125
135
145
155
166
176
186
196
206
216
227
237
247
257
267
277
287
298
308
318
328
338
348
358
368
379
389
399
409
419
429
439
449
459
4610
4710
4810
4910
5010
5110
5210
5310
5410
5510
5611
5711
5811
5911
6011
6111
6211
6311
6411
6511
6611
6712
6812
6912
7012
7112
7212
7312
7412
7512
7612
7712
7812
7913
8013
8113
8213
8313
8413

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