cos(log(x+1)-tanh(x))=1-3/4!*x^4+40/5!*x^5-250/6!*x^6+1008/7!*x^7...

A013286

cos(log(x+1)-tanh(x))=1-3/4!*x^4+40/5!*x^5-250/6!*x^6+1008/7!*x^7...

Terms

    a(0) =1a(1) =0a(2) =0a(3) =0a(4) =-3a(5) =40a(6) =-250a(7) =1008a(8) =-6307a(9) =77040a(10) =-742524a(11) =5642560a(12) =-56921887a(13) =809088696a(14) =-10450329838a(15) =122609052720

External references