sec(log(cos(x)))= 1+3/4!*x^4+30/6!*x^6+1113/8!*x^8+50460/10!*x^10...
A012008
sec(log(cos(x)))= 1+3/4!*x^4+30/6!*x^6+1113/8!*x^8+50460/10!*x^10...
Terms
- a(0) =1a(1) =0a(2) =3a(3) =30a(4) =1113a(5) =50460a(6) =3693723a(7) =359740290a(8) =46791574833
External references
- oeis: A012008