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A234859 as a simple table

na(n)
11
20
30
40
50
61
70
80
90
100
111
120
130
140
150
162
170
180
190
200
212
220
230
240
250
263
270
280
290
300
314
321
330
340
350
364
371
380
390
400
415
421
430
440
450
465
471
480
490
500
517
521
530
540
550
568
572
580
590
600
619
622
630
640
650
661
673
680
690
700
7111
723
730
740
750
7613
773
780
790
800
8115
824
830
840
850
8617
875
880
890
900
9120
926
930
940
950
9622
977
980
990
1000
10124
1027
1030
1040
1050
10629
1079
1080
1090
1100
11132
11212
1130
1140
1150
11637
11714
1180
1190
1200
12141
12217
1230
1240
1250

[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,2,0,0,0,0,2,0,0,0,
 0,3,0,0,0,0,4,1,0,0,0,4,1,0,0,0,5,1,0,0,0,5,1,0,0,
 0,7,1,0,0,0,8,2,0,0,0,9,2,0,0,0,1,3,0,0,0,11,3,0,
 0,0,13,3,0,0,0,15,4,0,0,0,17,5,0,0,0,20,6,0,0,0,
 22,7,0,0,0,24,7,0,0,0,29,9,0,0,0,32,12,0,0,0,37,
 14,0,0,0,41,17,0,0,0]