a(0) = 1, a(1) = 2; a(n+1) = 6*a(n) + a(n-1) for n>1.

A179237

a(0) = 1, a(1) = 2; a(n+1) = 6*a(n) + a(n-1) for n>1.

Terms

    a(0) =1a(1) =2a(2) =13a(3) =80a(4) =493a(5) =3038a(6) =18721a(7) =115364a(8) =710905a(9) =4380794a(10) =26995669a(11) =166354808a(12) =1025124517a(13) =6317101910a(14) =38927735977a(15) =239883517772

External references