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”).

A178051 as a simple table

na(n)
11
22
33
44
55
66
77
88
99
103
114
125
136
147
158
169
173
184
195
206
217
228
239
244
254
265
276
287
298
309
315
325
335
346
357
368
379
386
396
406
416
427
438
449
457
467
477
487
497
508
519
528
538
548
558
568
578
589
599
609
619
629
639
649
659
663
674
685
696
707
718
729
734
744
755
766
777
788
799
805
815
825
836
847
858
869
876
886
896
906
917
928
939
947
957
967
977
987
998
1009
1018
1028
1038
1048
1058

[1,2,3,4,5,6,7,8,9,3,4,5,6,7,8,9,3,4,5,6,7,8,9,4,
 4,5,6,7,8,9,5,5,5,6,7,8,9,6,6,6,6,7,8,9,7,7,7,7,7,
 8,9,8,8,8,8,8,8,9,9,9,9,9,9,9,9,3,4,5,6,7,8,9,4,4,
 5,6,7,8,9,5,5,5,6,7,8,9,6,6,6,6,7,8,9,7,7,7,7,7,8,
 9,8,8,8,8,8]