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”).

A003484 as a simple table

na(n)
11
22
31
44
51
62
71
88
91
102
111
124
131
142
151
169
171
182
191
204
211
222
231
248
251
262
271
284
291
302
311
3210
331
342
351
364
371
382
391
408
411
422
431
444
451
462
471
489
491
502
511
524
531
542
551
568
571
582
591
604
611
622
631
6412
651
662
671
684
691
702
711
728
731
742
751
764
771
782
791
809
811
822
831
844
851
862
871
888
891
902
911
924
931
942
951
9610
971
982
991
1004
1011
1022

[1,2,1,4,1,2,1,8,1,2,1,4,1,2,1,9,1,2,1,4,1,2,1,8,
 1,2,1,4,1,2,1,10,1,2,1,4,1,2,1,8,1,2,1,4,1,2,1,9,
 1,2,1,4,1,2,1,8,1,2,1,4,1,2,1,12,1,2,1,4,1,2,1,8,
 1,2,1,4,1,2,1,9,1,2,1,4,1,2,1,8,1,2,1,4,1,2,1,10,
 1,2,1,4,1,2]