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”).

A239072 as a simple table

na(n)
00
11
22
35
47
511
615
721
826
932
1039
1147
1255
1364
1474
1585
1695
17107
18119
19132
20146
21160
22175
23191
24207
25224

[0,1,2,5,7,11,15,21,26,32,39,47,55,64,74,85,95,
 107,119,132,146,160,175,191,207,224]