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”).

A323305 as a simple table

na(n)
11
21
31
42
51
62
71
82
92
102
111
122
131
142
152
163
171
182
191
202
212
222
231
243
252
262
272
282
291
302
311
322
332
342
352
363
371
382
392
403
411
422
431
442
452
462
471
482
492
502
512
522
531
543
552
563
572
582
591
603
611
622
632
644
652
662
671
682
692
702
711
722
731
742
752
762
772
782
791
802
813
822
831
843
852
862
872

[1,1,1,2,1,2,1,2,2,2,1,2,1,2,2,3,1,2,1,2,2,2,1,3,
 2,2,2,2,1,2,1,2,2,2,2,3,1,2,2,3,1,2,1,2,2,2,1,2,2,
 2,2,2,1,3,2,3,2,2,1,3,1,2,2,4,2,2,1,2,2,2,1,2,1,2,
 2,2,2,2,1,2,3,2,1,3,2,2,2]