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A057515 as a simple table

na(n)
00
11
22
31
43
52
62
71
81
94
103
113
122
132
143
152
162
171
181
192
201
211
221
235
244
254
263
273
284
293
303
312
322
333
342
352
362
374
383
393
402
412
423
432
442
451
461
472
481
491
501
513
522
532
541
551
562
571
581
591
602
611
621
631
641
656
665
675
684
694
705
714
724
733
743
754
763
773
783
795
804
814
823
833
844
853
863
872
882
893
902
912
922
934
943
953
962
972
983
992
1002
1012
1023
1032
1042

[0,1,2,1,3,2,2,1,1,4,3,3,2,2,3,2,2,1,1,2,1,1,1,5,
 4,4,3,3,4,3,3,2,2,3,2,2,2,4,3,3,2,2,3,2,2,1,1,2,1,
 1,1,3,2,2,1,1,2,1,1,1,2,1,1,1,1,6,5,5,4,4,5,4,4,3,
 3,4,3,3,3,5,4,4,3,3,4,3,3,2,2,3,2,2,2,4,3,3,2,2,3,
 2,2,2,3,2,2]