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

Terms

a(0) =1a(1) =1a(2) =1a(3) =7a(4) =25a(5) =81a(6) =601a(7) =3207a(8) =18705a(9) =156385a(10) =1087441a(11) =8962823a(12) =84001897a(13) =732712241a(14) =7487525865a(15) =78537490951a(16) =831722893217