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A275993 as a simple table

na(n)
00
11
22
33
44
55
66
77
88
99
1010
1111
1212
1313
1414
1515
161
170
181
191
201
212
221
233
241
254
261
275
281
296
301
317
321
338
341
359
361
3710
381
3911
401
4112
421
4313
441
4514
461
4715
482
490
502
511
522
532
542
553
562
574
582
595
602
616
622
637
642
658
662
679
682
6910
702
7111
722
7312
742
7513
762
7714
782
7915
803
810
823
831
843
852
863
873
883
894
903
915
923
936
943
957
963
978
983
999
1003
10110
1023
10311
1043

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