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”).

A378542 as a simple table

na(n)
11
22
33
45
55
67
77
810
910
1011
1111
1217
1313
1415
1516
1621
1717
1823
1919
2027
2122
2223
2323
2435
2526
2627
2730
2837
2929
3040
3131
3242
3334
3435
3536
3656
3737
3839
3940
4055
4141
4254
4343
4457
4553
4647
4747
4873
4950
5057
5152
5267
5353
5470
5556
5675
5758
5859
5959
6096
6161
6263
6373
6485
6566
6682
6767
6887
6970
7084
7171
72115
7373
7475
7583
7697
7778
7896
7979
80115
8191

[1,2,3,5,5,7,7,10,10,11,11,17,13,15,16,21,17,23,
 19,27,22,23,23,35,26,27,30,37,29,40,31,42,34,35,
 36,56,37,39,40,55,41,54,43,57,53,47,47,73,50,57,
 52,67,53,70,56,75,58,59,59,96,61,63,73,85,66,82,
 67,87,70,84,71,115,73,75,83,97,78,96,79,115,91]