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%I #3 Apr 28 2014 11:34:58
%S 1,5,42,238,1499,8635,50873,294903,1724689,10094399,59679199,
%T 355198229,2136972743,12972026795,79626155414,493684963581,
%U 3095482758334,19612796554079,125656314294772,813576800235695,5325370849930701,35223931484275717,235474448496780769
%N Number of standard Young tableaux with n cells and exactly nine successions.
%C A succession is a pair of cells (v, v+1) lying in the same row.
%C Also number of ballot sequences having nine flat steps.
%Y Column k=9 of A238125.
%K nonn
%O 10,2
%A _Joerg Arndt_ and _Alois P. Heinz_, Apr 28 2014
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