a(n) = Integral_{x=0..infinity} H_n(x) * exp(-x), where H_n(x) is n-th Hermite polynomial.
A277393
a(n) = Integral_{x=0..infinity} H_n(x) * exp(-x), where H_n(x) is n-th Hermite polynomial.
Terms
- a(0) =1a(1) =2a(2) =6a(3) =36a(4) =300a(5) =3000a(6) =35880a(7) =502320a(8) =8038800a(9) =144698400a(10) =2893937760a(11) =63666630720
External references
- oeis: A277393