Numerator of [x^(2n)] in the Taylor expansion cosh(cosec(x)-coth(x))=1 +x^2/72 -215*x^4/31104 +199159*x^6/235146240-...
1, 1, 215, 199159, 4128623, 257347648013, 111384981593, 1407269115959761
2 seqfan posts
Sun Dec 18 02:36:11 CET 2011 [seqfan] Re: The Demichel errors, continued