Numerator of [x^(2n)] of the Taylor series sech(cosec(x)-coth(x))= 1-x^2/72 +221*x^4/31104 +244939*x^6/235146240 +1846213*x^8/13544423424-...
1, 1, 221, 244939, 1846213, 526960582373, 23968139993843
2 seqfan posts
Sun Dec 18 02:36:11 CET 2011 [seqfan] Re: The Demichel errors, continued