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A236109 as a simple table

na(n)
10
20
30
40
50
61
70
80
90
101
110
120
130
142
152
160
170
180
190
201
212
220
230
240
250
262
273
283
290
300
310
320
330
342
353
363
370
380
390
400
410
422
432
444
454
460
470
480
490
500
510
522
533
544
554
560
570
580
590
600
610
623
634
645
655
665
670
680
690
700
710
720
730
742
752
763
775
785
790
800
810
820
830
840
850
863

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