v(n+1)/v(n), where v=A203773.A202945v(n+1)/v(n), where v=A203773.Terms a(0) =1a(1) =2a(2) =100a(3) =800a(4) =152100a(5) =2737800a(6) =1156000000a(7) =36992000000External referencesoeis: A202945