a(n) = Sum_{k=0..n} binomial(n,k) * binomial(k^2, n).
A346184
a(n) = Sum_{k=0..n} binomial(n,k) * binomial(k^2, n).
Terms
- a(0) =1a(1) =1a(2) =6a(3) =96a(4) =2330a(5) =76230a(6) =3132192a(7) =154830704a(8) =8942749020a(9) =590880389676
External references
- oeis: A346184