a(n) = 2 * T(n,(n+2)/2) where T(n,x) is a Chebyshev polynomial of the first kind.
A343261
a(n) = 2 * T(n,(n+2)/2) where T(n,x) is a Chebyshev polynomial of the first kind.
Terms
- a(0) =2a(1) =3a(2) =14a(3) =110a(4) =1154a(5) =15127a(6) =238142a(7) =4379769a(8) =92198402a(9) =2186871698a(10) =57721023502
External references
- oeis: A343261