Expansion of tan(tan(x))*cosh(x) (odd powers only).

A009696

Expansion of tan(tan(x))*cosh(x) (odd powers only).

Terms

    a(0) =1a(1) =7a(2) =117a(3) =4555a(4) =317577a(5) =34316335a(6) =5287957053

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