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”).

A209598 as a simple table

na(n)
182556485632
261291132048828125
3709908161907247808512
4923682425022125244140625
5310357092660359621536382976
641461694858240499304086993277
72836619246897071128576000000000

[82556485632,61291132048828125,
 709908161907247808512,923682425022125244140625,
 310357092660359621536382976,
 41461694858240499304086993277,
 2836619246897071128576000000000]