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A085978 as a simple table

na(n)
10
20
30
40
50
60
70
80
90
100
110
120
131
141
151
160
170
180
190
200
210
220
230
240
250
260
270
280
290
300
310
320
330
340
351
360
370
380
390
400
410
420
430
440
450
460
470
480
490
500
510
520
531
540
550
560
570
580
590
600
610
620
630
640
650
660
670
680
691
701
710
720
730
740
750
760
770
780
791
801
811
821
831
841
851
862
872
881
891
901
911
921
931
941
951
960
970
980
990
1001
1011
1020
1030
1040
1050

[0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,
 0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
 0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,
 0,0,0,0,1,1,1,1,1,1,1,2,2,1,1,1,1,1,1,1,1,0,0,0,0,
 1,1,0,0,0,0]