login

A217207 as a simple table

na(n)
10
21
31
40
51
61
70
80
90
101
111
120
131
141
150
160
170
181
190
201
210
220
230
241
251
260
271
281
290
300
310
321
331
340
351
360
370
380
391
401
410
420
430
441
450
461
470
480
490
501
511
520
531
541
550
560
570
581
591
600
611
620
630
640
651
660
671
680
690
700
711
720
730
740
751
760
770
781
790
800
810
821
830
840
850
861
870
881
890
900
910
921
930
940
950
961
970
980
991
1000
1010
1020
1031
1040
1050
1060
1071
1080
1091
1100
1110
1120
1131
1140
1150
1160
1171
1180
1190
1201
1210
1220
1231
1241
1250
1261
1271
1280
1290
1300
1311
1321
1330
1341
1351
1360
1370
1380
1391
1400
1411
1420
1430
1440
1451
1461
1470
1481
1491
1500

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