E.g.f.: (cosh(x) + sin(x)) / (cos(x) - sinh(x)).

A205182

E.g.f.: (cosh(x) + sin(x)) / (cos(x) - sinh(x)).

Terms

    a(0) =1a(1) =2a(2) =6a(3) =24a(4) =140a(5) =992a(6) =8456a(7) =84224a(8) =957840a(9) =12257792a(10) =174293856a(11) =2726068224a(12) =46514037440a(13) =859790139392

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