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A188472 as a simple table

na(n)
10
20
31
40
50
60
70
81
90
100
111
120
130
140
150
161
170
180
191
200
211
220
230
241
250
260
270
280
291
300
310
321
330
340
350
360
371
380
390
401
410
421
430
440
451
460
470
480
490
501
510
520
531
540
551
560
570
581
590
600
610
620
631
640
650
661
670
680
690
700
711
720
730
741
750
761
770
780
791
800
810
820
830
841
850
860
871
880
890
900
910
921
930
940
951
960
971
980
990
1001
1010
1020
1030
1040
1051
1060
1070
1081
1090
1101
1110
1120
1131
1140
1150
1160
1170
1181
1190
1200
1211
1220
1230
1240
1250
1261
1270
1280
1291
1300
1311
1320
1330
1341
1350

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