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”).

A103343 as a simple table

na(n)
01
11
20
31
42
52
61
71
82
93
102
110
122
133
143
152
161
173
184
193
201
212
223
234
243
250
263
275
284
292
302
314
325
333
340
353
364
374
383
391
404
416
425
432
443
455
466
474
480
494
506
515
523
532
545
556
564
571
583
594
605
614
620
634
647
656
663
673
686
698
705
710
725
737
746
754
762
776
788
796
802
814
826
837
845
850
865
878
886
893
903
916
927
934
940
954
965
975
984
991
1005

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