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”).

A112623 as a simple table

na(n)
10
21
31
42
51
62
71
86
92
102
111
123
131
142
152
1624
171
183
191
203
212
222
231
247
252
262
276
283
291
303
311
32120
332
342
352
364
371
382
392
407
411
423
431
443
453
462
471
4825
492
503
512
523
531
547
552
567
572
582
591
604
611
622
633
64720
652
663
671
683
692
703
711
728
731
742
753
763
772
783
791
8025
8124
822
831
844
852
862
872
887
891
904
912
923
932
942
952
96121
971
983
993
1004
1011

[0,1,1,2,1,2,1,6,2,2,1,3,1,2,2,24,1,3,1,3,2,2,1,7,
 2,2,6,3,1,3,1,120,2,2,2,4,1,2,2,7,1,3,1,3,3,2,1,
 25,2,3,2,3,1,7,2,7,2,2,1,4,1,2,3,720,2,3,1,3,2,3,
 1,8,1,2,3,3,2,3,1,25,24,2,1,4,2,2,2,7,1,4,2,3,2,2,
 2,121,1,3,3,4,1]