a(n) = H(n, 2*n), where H(n,x) is n-th Hermite polynomial.

A349068

a(n) = H(n, 2*n), where H(n,x) is n-th Hermite polynomial.

Terms

    a(0) =1a(1) =4a(2) =62a(3) =1656a(4) =62476a(5) =3041200a(6) =181253256a(7) =12779289376

External references