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A070138 as a simple table

na(n)
10
20
30
40
50
60
70
80
90
100
110
121
130
140
150
161
170
181
190
200
210
220
230
240
250
260
270
280
290
301
310
321
330
340
350
362
370
380
390
401
410
422
430
441
450
460
470
481
490
502
510
520
530
543
550
561
570
580
590
601
610
620
630
643
650
661
670
681
690
702
710
721
730
740
750
761
770
781
790
802
810
820
830
845
850
860
870
880
890
903

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