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A168312 as a simple table

na(n)
11
22
31
40
50
61
74
82
90
101
110
120
130
140
151
160
170
182
190
200
211
220
230
240
250
260
270
281
298
304
310
322
330
340
350
361
370
380
390
400
410
420
430
440
451
460
470
480
490
502
510
520
530
540
551
560
570
580
590
600
610
620
630
640
650
661
670
680
694
700
712
720
730
740
750
760
771

[1,2,1,0,0,1,4,2,0,1,0,0,0,0,1,0,0,2,0,0,1,0,0,0,
 0,0,0,1,8,4,0,2,0,0,0,1,0,0,0,0,0,0,0,0,1,0,0,0,0,
 2,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,1,0,0,4,0,2,0,0,0,
 0,0,1]