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”).

A111801 as a simple table

na(n)
11
23
34
45
57
68
711
813
915
1016
1117
1219
1320
1421
1523
1624
1725
1827
1928
2029
2131
2232
2333
2435
2537
2639
2741
2843
2944
3047
3148
3249
3351
3452
3553
3655
3756
3857
3959
4061
4163
4264
4365
4467
4568
4669
4771
4873
4975
5076
5177
5279
5380
5481
5583
5685
5787
5888
5989
6091
6192
6293
6395
6496
6597
66100
67101
68103
69104
70105

[1,3,4,5,7,8,11,13,15,16,17,19,20,21,23,24,25,27,
 28,29,31,32,33,35,37,39,41,43,44,47,48,49,51,52,
 53,55,56,57,59,61,63,64,65,67,68,69,71,73,75,76,
 77,79,80,81,83,85,87,88,89,91,92,93,95,96,97,100,
 101,103,104,105]