Expansion of e.g.f. exp( x * cos(sqrt(2)*x) ).

Terms

a(0) =1a(1) =1a(2) =1a(3) =-5a(4) =-23a(5) =-39a(6) =361a(7) =2675a(8) =3697a(9) =-90575a(10) =-741839a(11) =52779a(12) =48483865a(13) =358510985a(14) =-1225182503a(15) =-43006420829a(16) =-239523048095