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A064663 as a simple table

na(n)
1-2
2-1
3-1
40
50
60
70
81
91
101
111
121
131
142
152
162
172
183
193
203
213
223
234
244
253
264
274
285
295
306
314
325
335
345
355
365
375
386
396
406
416
427
436
447
457
468
477
486
497
507
518
528
539
548
558
568
578
589
599
6010
6110
6210
639
649
6510
6610
679
6810
699
7010
7110
7210
7310
7411
7511
7611
7711
7811
7912
8011
8111
8212
8311

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