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A171608 as a simple table

na(n)
11
22
30
40
52
60
70
83
90
100
110
120
133
140
150
160
170
184
190
200
210
220
230
240
254
260
270
280
290
300
310
325
330
340
350
360
370
380
390
400
415
420
430
440
450
460
470
480
490
506
510
520
530
540
550
560
570
580
590
600
616
620
630
640
650
660
670
680
690
700
710
727
730
740
750
760
770
780
790
800
810
820
830
840
857
860
870
880
890
900
910

[1,2,0,0,2,0,0,3,0,0,0,0,3,0,0,0,0,4,0,0,0,0,0,0,
 4,0,0,0,0,0,0,5,0,0,0,0,0,0,0,0,5,0,0,0,0,0,0,0,0,
 6,0,0,0,0,0,0,0,0,0,0,6,0,0,0,0,0,0,0,0,0,0,7,0,0,
 0,0,0,0,0,0,0,0,0,0,7,0,0,0,0,0,0]