A119695 a(n) = Fibonacci(n)*n^2*(binomial(2*n, n))^2/(n+1).

0, 2, 48, 1800, 47040, 1323000, 35126784, 937872936, 24735110400, 651019271760, 17067389768000, 446585320669488, 11663935674273792, 304250554223980000, 7927831278607968000, 206402082984558900000, 5369988005412124953600

Offset

0,2

Links

Table of n, a(n) for n=0..16.

Maple

[seq(fib(n)*n^2*(binomial(2*n, n))^2/(n+1), n=0..20)];

Mathematica

Table[Fibonacci[n]*n^2*(Binomial[2n, n])^2/(n+1), {n, 0, 16}] (* James C. McMahon, Sep 18 2024 *)

Crossrefs

Cf. A000045, A000984.

Sequence in context: A027509 A348322 A186284 * A119698 A112103 A367254

Adjacent sequences: A119692 A119693 A119694 * A119696 A119697 A119698

Keyword

easy,nonn

Author

Zerinvary Lajos, Jun 09 2006

Status

approved