a(n) = (5*n + 3)!/((8*n^2 + 10*n + 3)*(n!)^2*(3*n + 2)!).
A383440
a(n) = (5*n + 3)!/((8*n^2 + 10*n + 3)*(n!)^2*(3*n + 2)!).
Terms
- a(0) =1a(1) =16a(2) =702a(3) =42432a(4) =3010700a(5) =235282320a(6) =19615029280
External references
- oeis: A383440
A383440
a(n) = (5*n + 3)!/((8*n^2 + 10*n + 3)*(n!)^2*(3*n + 2)!).