OFFSET
0,2
LINKS
Amiram Eldar, Table of n, a(n) for n = 0..500
Jonathan M. Borwein and Roland Girgensohn, Evaluations of binomial series, aequationes mathematicae, Vol. 70, No. 1 (2005), pp. 25-36.
FORMULA
MATHEMATICA
a[n_] := n * 2^n * Binomial[4*n, n]; Array[a, 20, 0]
PROG
(PARI) a(n) = n * 2^n * binomial(4*n, n);
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Amiram Eldar, Dec 07 2024
STATUS
approved