cos(sin(x)-sinh(x))=1-40/6!*x^6-480/10!*x^10+246400/12!*x^12...

A013373

cos(sin(x)-sinh(x))=1-40/6!*x^6-480/10!*x^10+246400/12!*x^12...

Terms

    a(0) =1a(1) =0a(2) =0a(3) =-40a(4) =0a(5) =-480a(6) =246400a(7) =-8320a(8) =51251200a(9) =-12197916160a(10) =11394406400

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