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”).

A305041 as a simple table

na(n)
11
24
35
411
555
6137
7116
8273937
92062731
101797964
11125122422419
125525083659668

[1,4,5,11,55,137,116,273937,2062731,1797964,
 125122422419,5525083659668]