Expansion of e.g.f. exp(-1 + cos(x) + sin(x)).

Terms

a(0) =1a(1) =1a(2) =0a(3) =-3a(4) =-5a(5) =12a(6) =71a(7) =7a(8) =-1028a(9) =-2573a(10) =14793a(11) =100188a(12) =-128831a(13) =-3445791a(14) =-5741800a(15) =113954461a(16) =601512787a(17) =-3296210612a(18) =-41316895641a(19) =37322755431