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 A241781 #3 Apr 28 2014 11:35:43 %S A241781 1,6,50,312,2057,12564,77299,473170,2888809,17728545,109114799, %T A241781 677179838,4229167424,26658442671,169404526564,1087116872873, %U A241781 7039620433755,46044295338658,304018123809105,2027563368241999,13652340968436571,92841055745572852,637417951194934534 %N A241781 Number of standard Young tableaux with n cells and exactly ten successions. %C A241781 A succession is a pair of cells (v, v+1) lying in the same row. %C A241781 Also number of ballot sequences having ten flat steps. %Y A241781 Column k=10 of A238125. %K A241781 nonn %O A241781 11,2 %A A241781 _Joerg Arndt_ and _Alois P. Heinz_, Apr 28 2014