a(n) = (9*n)!*(5/2*n)!/((9*n/2)!*(5*n)!*(2*n)!).
A276099
a(n) = (9*n)!*(5/2*n)!/((9*n/2)!*(5*n)!*(2*n)!).
Terms
- a(0) =1a(1) =96a(2) =24310a(3) =7028736a(4) =2149374150a(5) =678057476096
External references
- oeis: A276099
A276099
a(n) = (9*n)!*(5/2*n)!/((9*n/2)!*(5*n)!*(2*n)!).