a(n) = [x^n] 1/(1 - x) * Legendre_P(n, (1 + x)/(1 - x))^(n+1) for n >= 0.
A364117
a(n) = [x^n] 1/(1 - x) * Legendre_P(n, (1 + x)/(1 - x))^(n+1) for n >= 0.
Terms
- a(0) =1a(1) =5a(2) =163a(3) =14409a(4) =2511251a(5) =730485013a(6) =320259339415
External references
- oeis: A364117