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A175992 as a simple table

na(n)
10
21
30
41
50
60
71
81
90
100
111
120
130
140
150
161
171
181
190
200
210
221
230
240
250
260
270
280
291
301
310
321
330
340
350
360
371
380
391
400
410
420
430
440
450
461
471
480
490
501
510
520
530
540
550
561
570
580
590
600
610
620
630
640
650
660
671
681
691
701
710
721
730
740
750
760
770
780
791
800
810
820
830
840
850
860
870
880
890
900
910
921
931
940
950
960
970
981
990
1000
1010
1020
1030
1040
1050
1061
1070
1081
1090
1101
1110
1120
1130
1140
1150
1160
1170
1180
1190
1200
1211
1221
1230
1241
1250
1260
1270
1281
1290
1300
1310
1320
1330
1340
1350
1360
1371
1380
1390
1400
1410
1420
1430
1440
1450
1460
1470
1480
1490
1500
1510
1520
1530
1541
1551
1561
1570
1580
1591
1600
1610
1621
1630
1640
1650
1660
1670
1680
1690
1700
1710
1721
1730
1740
1750
1760
1770
1780
1790
1800
1810
1820
1830
1840
1850
1860
1870
1880
1890
1900

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