a(n) = A135951(n) /[(2^(n+1)-1) * 2^(n*(n-1)/2)].

A136097

a(n) = A135951(n) /[(2^(n+1)-1) * 2^(n*(n-1)/2)].

Terms

    a(0) =1a(1) =-1a(2) =5a(3) =-93a(4) =6477a(5) =-1733677a(6) =1816333805

External references