Ninth convolution of A000129(n+1) (generalized (2,1)-Fibonacci, called Pell numbers), n>=0, with itself.

A073386

Ninth convolution of A000129(n+1) (generalized (2,1)-Fibonacci, called Pell numbers), n>=0, with itself.

Terms

    a(0) =1a(1) =20a(2) =230a(3) =1980a(4) =14135a(5) =88264a(6) =497860a(7) =2591160a(8) =12630475a(9) =58295380a(10) =256887774a(11) =1087825180a(12) =4449607565a(13) =17654254880a(14) =68177369040a(15) =257006941664a(16) =948023601910

External references