E.g.f. A(x) satisfies: A(x) = Integral cosh(A(x)) / cos(A(x)) dx.

A292806

E.g.f. A(x) satisfies: A(x) = Integral cosh(A(x)) / cos(A(x)) dx.

Terms

    a(0) =1a(1) =2a(2) =28a(3) =1048a(4) =75792a(5) =8997152a(6) =1589002688a(7) =390961266048

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