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A066888 as a simple table

na(n)
00
12
21
31
42
52
61
72
83
92
102
113
123
133
143
152
164
173
183
194
204
214
224
234
244
254
264
275
285
296
304
315
323
336
346
357
365
375
386
394
408
415
426
436
448
456
468
475
487
495
5011
514
526
539
547
558
569
578
587
597
609
617
628
637
6412
655
669
679
6811
699
707
717
7212
7310
7410
759
769
779
786
7911
8010
8111
829
8312
8411
8512
869
8710
8811
8912
9010
9113
929
9311
9410
9512

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