E.g.f. A(x) satisfies: cos(A(x)) + sin(A(x)) = 1/( cos(A(-x)) + sin(A(-x)) ).

A318006

E.g.f. A(x) satisfies: cos(A(x)) + sin(A(x)) = 1/( cos(A(-x)) + sin(A(-x)) ).

Terms

    a(0) =1a(1) =2a(2) =6a(3) =40a(4) =360a(5) =4592a(6) =70896a(7) =1279360a(8) =26497920a(9) =619457792a(10) =16166151936a(11) =466022394880

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