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”).

A290459 as a simple table

na(n)
01
11
20
31
41
50
61
74
81
90
101
112
122
131
140
151
168
173
188
191
200
211
223
235
245
253
261
270
281
293
303
314
323
333
341
350
361
374
380
394
404
410
424
431
440
451
467
471
487
494
507
511
527
531
540
551
565
575
588
598
608
618
625
635
641
650
661
672
686
690
706
716
726
730
746
752
761
770
781
796
802
810
823
836
846
853
860
872
886
891
900

[1,1,0,1,1,0,1,4,1,0,1,2,2,1,0,1,8,3,8,1,0,1,3,5,
 5,3,1,0,1,3,3,4,3,3,1,0,1,4,0,4,4,0,4,1,0,1,7,1,7,
 4,7,1,7,1,0,1,5,5,8,8,8,8,5,5,1,0,1,2,6,0,6,6,6,0,
 6,2,1,0,1,6,2,0,3,6,6,3,0,2,6,1,0]