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A260672 as a simple table

na(n)
00
11
20
32
41
50
63
72
81
94
103
112
125
134
143
150
166
175
184
191
207
216
225
232
240
258
267
276
283
291
309
318
327
334
342
3510
369
378
385
393
4011
4110
429
436
444
4512
4611
4710
487
495
500
5113
5212
5311
548
556
561
5714
5813
5912
609
617
622
6315
6414
6513
6610
678
683
690
7016
7115
7214
7311
749
754
761
7717
7816

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