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A318921 as a simple table

na(n)
00
10
20
31
40
50
61
73
80
90
100
111
122
131
143
157
160
170
180
191
200
210
221
233
244
252
261
273
286
293
307
3115
320
330
340
351
360
370
381
393
400
410
420
431
442
451
463
477
488
494
502
515
522
531
543
557
5612
576
583
597
6014
617
6215
6331
640
650
660
671
680
690
701
713
720
730
740
751
762
771
783
797
800
810
820
831
840
850
861
873
884
892
901
913
926
933
947
9515
9616

[0,0,0,1,0,0,1,3,0,0,0,1,2,1,3,7,0,0,0,1,0,0,1,3,
 4,2,1,3,6,3,7,15,0,0,0,1,0,0,1,3,0,0,0,1,2,1,3,7,
 8,4,2,5,2,1,3,7,12,6,3,7,14,7,15,31,0,0,0,1,0,0,1,
 3,0,0,0,1,2,1,3,7,0,0,0,1,0,0,1,3,4,2,1,3,6,3,7,
 15,16]