1,2

Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.

a(n) = 194*a(n-1) - a(n-2) - 48; g.f.: (1-52*x+3*x^2)/((1-x)*(1-194*x+x^2)) - Warut Roonguthai (warut822(AT)yahoo.com) Jan 08 2001

a(n)=(1/4)+(3/8)*[97-56*sqrt(3)]^n+(3/8)*[97+56*sqrt(3)]^n-(5/24)*[97-56*sqrt(3)]^n*sqrt(3)+(5 /24)*sqrt(3)*[97+56*sqrt(3)]^n, with n>=0 [From Paolo P. Lava (ppl(AT)spl.at), Sep 26 2008]

Cf. A046178, A046180.

Sequence in context: A159054 A135946 A029555 this_sequence A147553 A030122 A057404

Adjacent sequences: A046176 A046177 A046178 this_sequence A046180 A046181 A046182

nonn,easy

Eric Weisstein (eric(AT)weisstein.com)