0,2

Binomial transform of A064017.

G.f.: (1-5x+7x^2)/((1-x)(1-4x)^2); a(n)=A002697(n)+A007583(n).

Adjacent sequences: A087446 A087447 A087448 this_sequence A087450 A087451 A087452

Sequence in context: A084155 A015530 A010907 this_sequence A004253 A121179 A131552

easy,nonn

Paul Barry (pbarry(AT)wit.ie), Sep 05 2003