login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A373263 as a simple table

na(n)
10
20
31
41
50
60
70
80
90
100
110
120
130
140
151
160
170
181
190
201
211
220
230
241
250
260
270
281
290
300
310
321
331
340
350
360
370
380
391
400
410
420
430
441
450
460
470
480
490
500
511
521
530
540
550
560
571
580
590
600
610
620
630
640
650
660
670
681
691
700
710
720
730
740
751
761
770
780
790
800
811
820
830
840
850
860
871
880
890
901
910
921
931
940
950
960
970
980
990
1001
1010
1020
1030
1040
1051
1060
1070
1081
1090
1100
1111
1120
1130
1140
1150
1161
1170
1180
1190
1201
1210

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