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”).

A053828 as a simple table

na(n)
00
11
22
33
44
55
66
71
82
93
104
115
126
137
142
153
164
175
186
197
208
213
224
235
246
257
268
279
284
295
306
317
328
339
3410
355
366
377
388
399
4010
4111
426
437
448
459
4610
4711
4812
491
502
513
524
535
546
557
562
573
584
595
606
617
628
633
644
655
666
677
688
699
704
715
726
737
748
759
7610
775
786
797
808
819
8210
8311
846
857
868
879
8810
8911
9012
917
928
939
9410
9511

[0,1,2,3,4,5,6,1,2,3,4,5,6,7,2,3,4,5,6,7,8,3,4,5,
 6,7,8,9,4,5,6,7,8,9,10,5,6,7,8,9,10,11,6,7,8,9,10,
 11,12,1,2,3,4,5,6,7,2,3,4,5,6,7,8,3,4,5,6,7,8,9,4,
 5,6,7,8,9,10,5,6,7,8,9,10,11,6,7,8,9,10,11,12,7,8,
 9,10,11]