A208473 Central coefficients of triangle A185384.

1, 6, 78, 1100, 16310, 248724, 3863244, 60784152, 965571750, 15451970820, 248731275364, 4022998982184, 65326505787452, 1064336612493000, 17390322931354200, 284844148339840560, 4675649304522319110, 76895312195988615780

Offset

0,2

Links

Table of n, a(n) for n=0..17.

Formula

a(n) = binomial(2n,n)*F(3n+1), where F(n) are the Fibonacci numbers (A000045).

Mathematica

Table[Binomial[2n, n]Fibonacci[3n+1], {n, 0, 100}]

Prog

(Maxima) makelist(binomial(2*n, n)*fib(3*n+1), n, 0, 17);

Crossrefs

Sequence in context: A372181 A197103 A345360 * A358956 A268555 A131926

Adjacent sequences: A208470 A208471 A208472 * A208474 A208475 A208476

Keyword

nonn,easy

Author

Emanuele Munarini, Feb 29 2012

Status

approved