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A331902 as a simple table

na(n)
00
10
20
30
41
50
60
70
80
90
100
110
122
130
140
150
160
171
181
190
200
210
220
230
243
250
260
270
280
290
300
311
321
330
340
350
360
370
380
391
404
411
420
430
440
450
460
470
480
492
502
510
520
530
540
550
560
570
580
591
605
611
620
630
640
650
660
670
680
690
701
711
721
731
740
750
760
770
780
790
800
810
820
831
846
851
860

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