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”).

A174843 as a simple table

na(n)
11
21
32
41
52
64
71
82
93
106
111
122
135
1410
151
162
173
184
196
2012
211
222
234
248
2516
261
272
283
296
309
3118
321
332
3411
3522
361
372
384
397
4014
4128
421
432
443
455
466
4710
4815
4930
501
512
523
534
546
559
5612
5718
5836
591
602
614
625
638
6410
6520
6640
671
682
693
706
717
7214
7321
7442
751
762
7723
7846
791
802
814
8213
8326
8452
851
862
8729
8858
891
902
913
924

[1,1,2,1,2,4,1,2,3,6,1,2,5,10,1,2,3,4,6,12,1,2,4,
 8,16,1,2,3,6,9,18,1,2,11,22,1,2,4,7,14,28,1,2,3,5,
 6,10,15,30,1,2,3,4,6,9,12,18,36,1,2,4,5,8,10,20,
 40,1,2,3,6,7,14,21,42,1,2,23,46,1,2,4,13,26,52,1,
 2,29,58,1,2,3,4]