Expansion of e.g.f.: cos(log(x+1)-arctan(x))=1-3/4!*x^4+40/5!*x^5-250/6!*x^6+840/7!*x^7...

A013250

Expansion of e.g.f.: cos(log(x+1)-arctan(x))=1-3/4!*x^4+40/5!*x^5-250/6!*x^6+840/7!*x^7...

Terms

    a(0) =1a(1) =0a(2) =0a(3) =0a(4) =-3a(5) =40a(6) =-250a(7) =840a(8) =-4515a(9) =87120a(10) =-949500a(11) =4360400a(12) =-24799775a(13) =1013539800a(14) =-16719504750a(15) =82697979000a(16) =-246429558375

External references