Expansion of e.g.f.: exp(tanh(x)+sinh(x))=1+2*x+4/2!*x^2+7/3!*x^3+8/4!*x^4+9/5!*x^5...

A013153

Expansion of e.g.f.: exp(tanh(x)+sinh(x))=1+2*x+4/2!*x^2+7/3!*x^3+8/4!*x^4+9/5!*x^5...

Terms

    a(0) =1a(1) =2a(2) =4a(3) =7a(4) =8a(5) =9a(6) =118a(7) =865a(8) =1912a(9) =-12375a(10) =-53094a(11) =848621a(12) =7487532a(13) =-34580971a(14) =-722809274a(15) =1631142593a(16) =92118225104a(17) =100600927153

External references