exp(cos(x)-sech(x))=1-4/4!*x^4+60/6!*x^6-824/8!*x^8+120/10!*x^10...

A013482

exp(cos(x)-sech(x))=1-4/4!*x^4+60/6!*x^6-824/8!*x^8+120/10!*x^10...

Terms

    a(0) =1a(1) =0a(2) =-4a(3) =60a(4) =-824a(5) =120a(6) =1331156a(7) =-151389420a(8) =15474229936

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