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A102681 as a simple table

na(n)
00
10
20
30
40
50
60
70
81
91
100
110
120
130
140
150
160
170
181
191
200
210
220
230
240
250
260
270
281
291
300
310
320
330
340
350
360
370
381
391
400
410
420
430
440
450
460
470
481
491
500
510
520
530
540
550
560
570
581
591
600
610
620
630
640
650
660
670
681
691
700
710
720
730
740
750
760
770
781
791
801
811
821
831
841
851
861
871
882
892
901
911
921
931
941
951
961
971
982
992
1000
1010
1020
1030
1040

[0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,1,1,0,0,0,0,
 0,0,0,0,1,1,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,1,
 1,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,1,1,0,0,0,0,
 0,0,0,0,1,1,1,1,1,1,1,1,1,1,2,2,1,1,1,1,1,1,1,1,2,
 2,0,0,0,0,0]