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A244199 Number of ballot sequences of length n having largest descent 3. 2

%I

%S 1,6,31,133,586,2453,10357,43462,183519,776632,3314263,14236474,

%T 61673638,269354538,1186290977,5269574378,23605973532,106655907009,

%U 485864276503,2231922870273,10334732098172,48242171467087,226930634774929,1075778352040282,5137573709818840

%N Number of ballot sequences of length n having largest descent 3.

%C Also number of ballot sequences of length n having largest ascent 3.

%Y Column k=3 of A238128 and of A238129.

%K nonn

%O 5,2

%A _Joerg Arndt_ and _Alois P. Heinz_, Jun 22 2014

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Last modified January 15 18:43 EST 2021. Contains 340188 sequences. (Running on oeis4.)