a(n) = n!^2 times coefficient of x^n in e^(x*(3-x)/2/(1-x))/(1-x)^(1/2).
A073178
a(n) = n!^2 times coefficient of x^n in e^(x*(3-x)/2/(1-x))/(1-x)^(1/2).
Terms
- a(0) =1a(1) =2a(2) =13a(3) =180a(4) =4266a(5) =153180a(6) =7725510a(7) =519629040a(8) =44880355800
External references
- oeis: A073178