OFFSET
10,1
LINKS
Alois P. Heinz, Table of n, a(n) for n = 10..200
FORMULA
a(n) ~ 2^(2*n+5) / (Pi*n^3). - Vaclav Kotesovec, Sep 13 2014
CROSSREFS
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Nov 17 2012
STATUS
approved