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%I #5 Jun 22 2014 10:03:43
%S 1,7,43,215,1073,5058,23953,112217,530779,2506867,11965685,57344884,
%T 277801349,1354273789,6670778019,33102793363,165896192078,
%U 837960354362,4272278074880,21954732604289,113823300476914,594723866847085,3133570169932798,16636300212628344
%N Number of ballot sequences of length n having largest descent 4.
%C Also number of ballot sequences of length n having largest ascent 4.
%Y Column k=4 of A238128 and of A238129.
%K nonn
%O 6,2
%A _Joerg Arndt_ and _Alois P. Heinz_, Jun 22 2014
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