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A174712 as a simple table

na(n)
01
10
21
30
40
52
60
70
80
93
100
110
120
130
145
150
160
170
180
190
207
210
220
230
240
250
260
2711
280
290
300
310
320
330
340
3515
360
370
380
390
400
410
420
430
4422
450
460
470
480
490
500
510
520
530
5430
550
560
570
580
590
600
610
620
630
640
6542
660
670
680
690
700
710
720
730
740
750
760
7756
780
790
800
810
820
830
840
850
860
870
880
890
9077

[1,0,1,0,0,2,0,0,0,3,0,0,0,0,5,0,0,0,0,0,7,0,0,0,
 0,0,0,11,0,0,0,0,0,0,0,15,0,0,0,0,0,0,0,0,22,0,0,
 0,0,0,0,0,0,0,30,0,0,0,0,0,0,0,0,0,0,42,0,0,0,0,0,
 0,0,0,0,0,0,56,0,0,0,0,0,0,0,0,0,0,0,0,77]