Expansion of e.g.f.: cosh(log(x+1)-tanh(x))=1+3/4!*x^4-40/5!*x^5+250/6!*x^6-1008/7!*x^7...

A013291

Expansion of e.g.f.: cosh(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) =6517a(9) =-87120a(10) =981924a(11) =-9387840a(12) =103808727a(13) =-1434810936a(14) =20930063102a(15) =-308368386480

External references