sec(tan(x)*log(x+1))=1+12/4!*x^4-60/5!*x^5+570/6!*x^6-3780/7!*x^7...

A012359

sec(tan(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) =43680a(9) =-447552a(10) =6232200a(11) =-82861680a(12) =1313835336a(13) =-21072521184a(14) =381305512224

External references