A000316-like neo-Hankel matrix determinant sequence.

A123237

A000316-like neo-Hankel matrix determinant sequence.

Terms

    a(0) =1a(1) =-1a(2) =-12a(3) =144a(4) =2400a(5) =-28224a(6) =-1296000a(7) =50808384a(8) =2434614000a(9) =-85975622656

External references