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”).

A342477 as a simple table

na(n)
11
21
32
41
51
61
73
82
91
101
111
122
131
141
153
161
175
182
191
201
211
222
236
241
253
261
272
281
291
307
311
322
331
343
351
361
375
382
391
401
411
422
433
441
451
461
472
481
496
501
511
522
533
5410
551
561
575
582
591
601
611
623
6311
642
651
667
671
681
692
701
711
723
731
742
751
761
776
785
791
802
811
823
8313
841
851
862

[1,1,2,1,1,1,3,2,1,1,1,2,1,1,3,1,5,2,1,1,1,2,6,1,
 3,1,2,1,1,7,1,2,1,3,1,1,5,2,1,1,1,2,3,1,1,1,2,1,6,
 1,1,2,3,10,1,1,5,2,1,1,1,3,11,2,1,7,1,1,2,1,1,3,1,
 2,1,1,6,5,1,2,1,3,13,1,1,2]