a(n) is defined by exp(x^2*cotan(x)) = Sum_(n>=0) a(n)*x^n/n!^2.

A199482

a(n) is defined by exp(x^2*cotan(x)) = Sum_(n>=0) a(n)*x^n/n!^2.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =-6a(4) =-168a(5) =-2600a(6) =-10800a(7) =727440a(8) =43263360a(9) =1032103296a(10) =-228614400

External references