Expansion of 1/(sqrt(1-5x)*sqrt(1-9x)).

Terms

a(0) =1a(1) =7a(2) =51a(3) =385a(4) =2995a(5) =23877a(6) =194109a(7) =1602447a(8) =13389075a(9) =112935445a(10) =959783881a(11) =8206116387a(12) =70507643101a(13) =608271899515