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”).

A177645 as a simple table

na(n)
11
270
332988
453577384
5223138602958
61992266686369568
733770993367805159464

[1,70,32988,53577384,223138602958,
 1992266686369568,33770993367805159464]