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”).

A379592 as a simple table

na(n)
11
21
31
42
52
61
71
81
91
103
111
121
131
142
153
162
171
181
191
201
212
221
234
242
251
262
271
282
291
302
312
321
332
341
354
361
373
383
391
401
411
421
432
442
453
461
471
482
492
501
515
523
531
543
551
561
571
584
591
601
611
621
632
641
652
662
673
681
691
703
711
721
732
744
751
762
775
781
791
801
814
821
831
842
855
861
871

[1,1,1,2,2,1,1,1,1,3,1,1,1,2,3,2,1,1,1,1,2,1,4,2,
 1,2,1,2,1,2,2,1,2,1,4,1,3,3,1,1,1,1,2,2,3,1,1,2,2,
 1,5,3,1,3,1,1,1,4,1,1,1,1,2,1,2,2,3,1,1,3,1,1,2,4,
 1,2,5,1,1,1,4,1,1,2,5,1,1]