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”).

A321014 as a simple table

na(n)
10
20
30
41
51
61
71
82
91
102
111
123
131
142
152
163
171
183
191
204
212
222
231
245
252
262
272
284
291
305
311
324
332
342
353
366
371
382
392
406
411
425
431
444
454
462
471
487
492
504
512
524
531
545
553
566
572
582
591
609
611
622
634
645
653
665
671
684
692
706
711
729
731
742
754
764
773
785
791
808
813
822
831
849
853
862
872
886
891
909
913
924
932
942

[0,0,0,1,1,1,1,2,1,2,1,3,1,2,2,3,1,3,1,4,2,2,1,5,
 2,2,2,4,1,5,1,4,2,2,3,6,1,2,2,6,1,5,1,4,4,2,1,7,2,
 4,2,4,1,5,3,6,2,2,1,9,1,2,4,5,3,5,1,4,2,6,1,9,1,2,
 4,4,3,5,1,8,3,2,1,9,3,2,2,6,1,9,3,4,2,2]