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A215089 as a simple table

na(n)
00
11
22
33
44
55
62
73
84
95
106
117
124
135
146
157
168
179
186
197
208
219
2210
2311
248
259
2610
2711
2812
2913
3010
3111
3212
3313
3414
3515
364
375
386
397
408
419
426
437
448
459
4610
4711
488
499
5010
5111
5212
5313
5410
5511
5612
5713
5814
5915
6012
6113
6214
6315
6416
6517
6614
6715
6816
6917
7018
7119
728
739
7410
7511
7612
7713
7810

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