0,3

Binomial transform of Jacobsthal(n)(1-(-1)^n)/2.

G.f.: x(1-2x-x^2)/((1+x)(1-2x)(1-3x)) a(n)=3^n/6-(-1)^n/6+2^n/6-0^n/6.

Cf. A001045, A094038, A051450.

Sequence in context: A148441 A098617 A092687 this_sequence A165431 A003291 A148442

Adjacent sequences: A094036 A094037 A094038 this_sequence A094040 A094041 A094042

easy,nonn

Paul Barry (pbarry(AT)wit.ie), Apr 23 2004