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”).

A139711 as a simple table

na(n)
11
23
34
45
57
68
79
811
913
1015
1116
1217
1319
1421
1523
1624
1725
1827
1929
2031
2132
2233
2335
2436
2537
2639
2741
2843
2945
3047
3148
3249
3351
3453
3555
3657
3759
3860
3961
4063
4164
4265
4367
4469
4571
4673
4775
4877
4979
5080
5181
5283
5385
5487
5589
5691
5793
5895
5996
6097
6199
62100
63101
64103
65105
66107
67109
68111
69112

[1,3,4,5,7,8,9,11,13,15,16,17,19,21,23,24,25,27,
 29,31,32,33,35,36,37,39,41,43,45,47,48,49,51,53,
 55,57,59,60,61,63,64,65,67,69,71,73,75,77,79,80,
 81,83,85,87,89,91,93,95,96,97,99,100,101,103,105,
 107,109,111,112]