a(n) = n! * [x^n] exp(n*sin(x)).

Terms

a(0) =1a(1) =1a(2) =4a(3) =24a(4) =192a(5) =1880a(6) =21312a(7) =266504a(8) =3469312a(9) =42094656a(10) =297625600a(11) =-8727514752a(12) =-659406274560