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”).

A333796 as a simple table

na(n)
21
32
422
5716
673346
723374544
823037365786
969630317879888

[1,2,22,716,73346,23374544,23037365786,
 69630317879888]