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A117707 as a simple table

na(n)
00
11
21
32
42
52
63
73
83
93
104
114
124
134
144
155
165
175
185
195
205
216
226
236
246
256
266
276
287
297
307
317
327
337
347
357
368
378
388
398
408
418
428
438
448
459
469
479
489
499
509
519
529
539
549
5510
5610
5710
5810
5910
6010
6110
6210
6310
6411
6512
6613
6714
6815
6916
7017
7118
7219
7320
7420
7520
7620
7720
7820
7920
8020
8120
8220
8320
8421
8521
8622
8722

[0,1,1,2,2,2,3,3,3,3,4,4,4,4,4,5,5,5,5,5,5,6,6,6,
 6,6,6,6,7,7,7,7,7,7,7,7,8,8,8,8,8,8,8,8,8,9,9,9,9,
 9,9,9,9,9,9,10,10,10,10,10,10,10,10,10,11,12,13,
 14,15,16,17,18,19,20,20,20,20,20,20,20,20,20,20,
 20,21,21,22,22]