Dwork-Kontsevich sequence evaluated at 2*n.

A007757

Dwork-Kontsevich sequence evaluated at 2*n.

Terms

    a(0) =1a(1) =2a(2) =36a(3) =144a(4) =1440a(5) =17280a(6) =241920a(7) =29030400a(8) =1567641600a(9) =156764160000

External references