0,2

a(n) = 7a(n-1)-5a(n-2)+11a(n-3)-a(n-4)

Cf. g.f.: (1-3*x+3*x^2-x^3)/(1-7*x+15*x^2-11*x^3+x^4)%Y A113438 a(n)=A113435(3n+2).

Sequence in context: A084859 A081666 A085781 this_sequence A034542 A071264 A077822

Adjacent sequences: A113435 A113436 A113437 this_sequence A113439 A113440 A113441

nonn

Floor van Lamoen (fvlamoen(AT)hotmail.com), Nov 04 2005