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A240160 as a simple table

na(n)
10
20
30
44
55
60
77
88
90
100
110
124
1313
140
1515
164
170
180
190
200
210
220
230
240
255
260
270
280
290
300
3131
320
3333
3434
355
360
370
380
3939
400
410
426
430
440
450
460
470
480
490
500
510
520
530
540
555
560
570
580
590
600
610
620
630
640
655
666
670
680
690
700
710
720
730
740
750
760
777
786
790
800
810
820
830
840
855
860
870
880
890
900
910
920
930
940
955

[0,0,0,4,5,0,7,8,0,0,0,4,13,0,15,4,0,0,0,0,0,0,0,
 0,5,0,0,0,0,0,31,0,33,34,5,0,0,0,39,0,0,6,0,0,0,0,
 0,0,0,0,0,0,0,0,5,0,0,0,0,0,0,0,0,0,5,6,0,0,0,0,0,
 0,0,0,0,0,7,6,0,0,0,0,0,0,5,0,0,0,0,0,0,0,0,0,5]