Numerator of [x^(2n+1)] in the Taylor series tan(cosec(x)-cosech(x)) = x/3 +x^3/81 +949*x^5/204120 +2647*x^7/5511240+... .

A013532

Numerator of [x^(2n+1)] in the Taylor series tan(cosec(x)-cosech(x)) = x/3 +x^3/81 +949*x^5/204120 +2647*x^7/5511240+... .

Terms

    a(0) =1a(1) =1a(2) =949a(3) =2647a(4) =6091583a(5) =309884803a(6) =24257706533

External references