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”).

A340079 as a simple table

na(n)
11
21
31
44
51
63
71
88
99
105
111
1212
131
147
1515
1616
171
189
191
2020
217
2211
231
2424
2525
2613
2727
284
291
3015
311
3232
3333
3417
3535
3636
371
3819
3913
4040
411
423
431
4444
459
4623
471
4848
4949
5025
5151
5252
531
5427
5511
5656
5719
5829
591
6060
611
6231
6363
6464
6565
6633
671
6868
6969
7035
711
7272
731
7437
7575
7676
7777
7839
791
8080
8181
8241
831
8484
8585
8643
8787
8888

[1,1,1,4,1,3,1,8,9,5,1,12,1,7,15,16,1,9,1,20,7,11,
 1,24,25,13,27,4,1,15,1,32,33,17,35,36,1,19,13,40,
 1,3,1,44,9,23,1,48,49,25,51,52,1,27,11,56,19,29,1,
 60,1,31,63,64,65,33,1,68,69,35,1,72,1,37,75,76,77,
 39,1,80,81,41,1,84,85,43,87,88]