0,3

Central coefficients of triangle A110124.

a(n)=2^ceiling(n/2)*LegendreP(ceiling(n/2), floor(n/2));

Sequence in context: A047035 A080042 A165588 this_sequence A019025 A018279 A133834

Adjacent sequences: A110127 A110128 A110129 this_sequence A110131 A110132 A110133

easy,nonn

Paul Barry (pbarry(AT)wit.ie), Jul 13 2005