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”).

A235533 as a simple table

na(n)
115
255
387
495
5143
6255
7303
8447
9551
10735
111007
121295
132103
142407
153495
165447
175727

[15,55,87,95,143,255,303,447,551,735,1007,1295,
 2103,2407,3495,5447,5727]