Scaled Chebyshev U-polynomials evaluated at i. Generalized Fibonacci sequence.
A057087
Scaled Chebyshev U-polynomials evaluated at i. Generalized Fibonacci sequence.
Terms
- a(0) =1a(1) =4a(2) =20a(3) =96a(4) =464a(5) =2240a(6) =10816a(7) =52224a(8) =252160a(9) =1217536a(10) =5878784a(11) =28385280a(12) =137056256a(13) =661766144a(14) =3195289600a(15) =15428222976a(16) =74494050304a(17) =359689093120
External references
- oeis: A057087