Numerator of the coefficient [x^(2n+1)] of the Taylor series tan(cosec(x)-coth(x))= -x/6 +13*x^3/324 +877*x^5/816480 +2675*x^7/17635968 +...
1, 13, 877, 2675, 8260913, 410433607, 223758294041, 27276568423051
2 seqfan posts
Sun Dec 18 02:36:11 CET 2011 [seqfan] Re: The Demichel errors, continued