Expansion of e.g.f.: cos(arctanh(x)*log(x+1))=1-12/4!*x^4+60/5!*x^5-570/6!*x^6+3780/7!*x^7...

A012702

Expansion of e.g.f.: cos(arctanh(x)*log(x+1))=1-12/4!*x^4+60/5!*x^5-570/6!*x^6+3780/7!*x^7...

Terms

    a(0) =1a(1) =0a(2) =0a(3) =0a(4) =-12a(5) =60a(6) =-570a(7) =3780a(8) =-36288a(9) =290304a(10) =-3077160a(11) =27976080a(12) =-325364952a(13) =3125330208a(14) =-38076353952a(15) =320524495200

External references