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”).

A305385 as a simple table

na(n)
11
20
31
41
50
61
71
80
91
101
110
121
130
141
151
160
171
181
190
201
211
220
231
241
250
261
271
280
291
301
310
321
330
341
351
360
371
381
390
401
411
420
431
441
450
461
471
480
491
500
511
521
530
541
551
560
571
581
590
601
611
620
631
641
650
661
671
680
691
700
711
721
730
741
751
760
771
781
790
801
810
821
831
840
851
861
870
881
891
900
911
921
930
941

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