a(n) = 5^n*Gamma(n+1/5)*Gamma(n+1)/Gamma(1/5).

A276482

a(n) = 5^n*Gamma(n+1/5)*Gamma(n+1)/Gamma(1/5).

Terms

    a(0) =1a(1) =1a(2) =12a(3) =396a(4) =25344a(5) =2661120a(6) =415134720a(7) =90084234240

External references