a(n) = H(n, 3*n), where H(n,x) is n-th Hermite polynomial.

A349069

a(n) = H(n, 3*n), where H(n,x) is n-th Hermite polynomial.

Terms

    a(0) =1a(1) =6a(2) =142a(3) =5724a(4) =324876a(5) =23761800a(6) =2126627016a(7) =225081383184

External references