Numerator of [x^(2n)] of the Taylor expansion sec(cosec(x)-cot(x)) = 1+ x^2/8 +13*x^4/384 +397*x^6/46080 +4453*x^8/2064384 + ... .
A013527
Numerator of [x^(2n)] of the Taylor expansion sec(cosec(x)-cot(x)) = 1+ x^2/8 +13*x^4/384 +397*x^6/46080 +4453*x^8/2064384 + ... .
Terms
- a(0) =1a(1) =1a(2) =13a(3) =397a(4) =4453a(5) =24649a(6) =12478897a(7) =47378857957
External references
- oeis: A013527