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

Terms

a(0) =1a(1) =1a(2) =2a(3) =3a(4) =5a(5) =2a(6) =-17a(7) =-105a(8) =-302a(9) =-323a(10) =2735a(11) =21318a(12) =74513a(13) =5345a(14) =-1876118a(15) =-13036317a(16) =-35542499a(17) =183591298a(18) =2771934527a(19) =14515620855a(20) =-4104116566a(21) =-739297426531