Third convolution of A002605(n) (generalized (2,2)-Fibonacci), n >= 0, with itself.

A073390

Third convolution of A002605(n) (generalized (2,2)-Fibonacci), n >= 0, with itself.

Terms

    a(0) =1a(1) =8a(2) =48a(3) =240a(4) =1080a(5) =4512a(6) =17856a(7) =67776a(8) =248880a(9) =889600a(10) =3109376a(11) =10664448a(12) =35989248a(13) =119761920a(14) =393676800a(15) =1280157696a(16) =4122985728a(17) =13165099008a(18) =41713192960a(19) =131243970560a(20) =410315433984

External references