a(n) = 25^(n+1)*Gamma(n+8/5)/Gamma(3/5).

A276489

a(n) = 25^(n+1)*Gamma(n+8/5)/Gamma(3/5).

Terms

    a(0) =15a(1) =600a(2) =39000a(3) =3510000a(4) =403650000a(5) =56511000000

External references