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A081286 as a simple table

na(n)
00
11
22
33
44
55
66
77
88
99
100
111
123
137
145
151
163
170
181
194
209
219
229
238
247
252
265
276
283
293
307
319
329
338
347
356
363
370
381
395
401
416
423
433
447
453
467
470
481
497
505
516
523
530
541
558
567
572
585
591
603
613
627
639
649
658
667
676
683
690
701
714
729
737
745
756
763
773
787
792
805
811
823
830
841
854
869
876
883
893
907
919
929
938
947
956
963
970
981
995
1001
1016
1023
1033
1047

[0,1,2,3,4,5,6,7,8,9,0,1,3,7,5,1,3,0,1,4,9,9,9,8,
 7,2,5,6,3,3,7,9,9,8,7,6,3,0,1,5,1,6,3,3,7,3,7,0,1,
 7,5,6,3,0,1,8,7,2,5,1,3,3,7,9,9,8,7,6,3,0,1,4,9,7,
 5,6,3,3,7,2,5,1,3,0,1,4,9,6,3,3,7,9,9,8,7,6,3,0,1,
 5,1,6,3,3,7]