OFFSET
0,3
COMMENTS
Central coefficients of triangle A110124.
FORMULA
a(n)=2^ceiling(n/2)*LegendreP(ceiling(n/2), floor(n/2));
PROG
(PARI) a(n)=2^ceil(n/2)*pollegendre(ceil(n/2), n\2) \\ Charles R Greathouse IV, Mar 19 2017
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Paul Barry, Jul 13 2005
STATUS
approved