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%I #5 Jun 22 2014 10:08:35
%S 1,10,91,645,4476,28417,178034,1080695,6528155,38917937,232238686,
%T 1381225056,8249156391,49357075136,297073535723,1796516932769,
%U 10940218266069,67044447244408,413978915930318,2574481278442121,16135717834519172,101892475282815648
%N Number of ballot sequences of length n having largest descent 7.
%C Also number of ballot sequences of length n having largest ascent 7.
%Y Column k=7 of A238128 and of A238129.
%K nonn
%O 9,2
%A _Joerg Arndt_ and _Alois P. Heinz_, Jun 22 2014
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