0,2

Binomial transform of A007052. Second binomial transform of Pell numbers A000129 (without leading zero).

G.f.: (1-2x)/(1-6x+7x^2); a(n)=((1+sqrt(2))(3+sqrt(2))^n-(1-sqrt(2))(3-sqrt(2))^n)/(sqrt(8))

Sequence in context: A018902 A095940 A125586 this_sequence A049027 A026751 A081568

Adjacent sequences: A086348 A086349 A086350 this_sequence A086352 A086353 A086354

easy,nonn

Paul Barry (pbarry(AT)wit.ie), Jul 18 2003