Square root of v(2n)/v(2n-1), where v=A203773.

A203774

Square root of v(2n)/v(2n-1), where v=A203773.

Terms

    a(0) =1a(1) =10a(2) =390a(3) =34000a(4) =5255380a(5) =1267531200a(6) =439881715000

External references