This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A102056 #3 Mar 30 2012 18:36:44 %S A102056 1,3,-2,26,-229,3181,-59700,1469380,-45938639,1779367231,-83663906454, %T A102056 4695118012798,-310029578255977,23797509154723361, %U A102056 -2101268283286737704,211490399673452191176,-24070116208693613274035,3075833697885980827017235,-438528974913900528707713514 %N A102056 Column 2 of A102054, the matrix inverse of A060083 (Euler polynomials). %o A102056 (PARI) %Y A102056 Cf. A060083, A102054, A102055. %K A102056 sign %O A102056 0,2 %A A102056 _Paul D. Hanna_, Dec 28 2004