Scaled Chebyshev U-polynomials evaluated at i*sqrt(6)/2. Generalized Fibonacci sequence.

A057089

Scaled Chebyshev U-polynomials evaluated at i*sqrt(6)/2. Generalized Fibonacci sequence.

Terms

    a(0) =1a(1) =6a(2) =42a(3) =288a(4) =1980a(5) =13608a(6) =93528a(7) =642816a(8) =4418064a(9) =30365280a(10) =208700064a(11) =1434392064a(12) =9858552768a(13) =67757668992a(14) =465697330560

External references