a(n) = n! * [x^n] exp(n*x)*(1 + exp(x^2/2)*x*(1 + sqrt(Pi/2)*erf(x/sqrt(2)))).
A295098
a(n) = n! * [x^n] exp(n*x)*(1 + exp(x^2/2)*x*(1 + sqrt(Pi/2)*erf(x/sqrt(2)))).
Terms
- a(0) =1a(1) =2a(2) =10a(3) =75a(4) =760a(5) =9715a(6) =150060a(7) =2719017a(8) =56556480a(9) =1328337117a(10) =34773226340
External references
- oeis: A295098