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A216601 as a simple table

na(n)
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
161
170
181
190
200
210
220
230
242
251
260
271
280
290
302
310
323
330
340
351
364
370
380
390
403
410
422
430
440
452
460
470
487
491
502
510
520
530
544
551
563
570
580
590
606
610
620
632
647
651
662
670
680
690
703
710
7211
730
740
752
760
771
782
790
808
813
820
830
846
851
860

[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,1,0,0,0,0,0,2,
 1,0,1,0,0,2,0,3,0,0,1,4,0,0,0,3,0,2,0,0,2,0,0,7,1,
 2,0,0,0,4,1,3,0,0,0,6,0,0,2,7,1,2,0,0,0,3,0,11,0,
 0,2,0,1,2,0,8,3,0,0,6,1,0]