Erroneous version of A005644 (there appears to be a typo in a(9)).

A123537

Erroneous version of A005644 (there appears to be a typo in a(9)).

Terms

    a(0) =1a(1) =26a(2) =1768a(3) =225096a(4) =51725352a(5) =21132802554

External references