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A243417
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Number of Dyck paths of semilength n having exactly 5 (possibly overlapping) occurrences of the consecutive steps UDUUDU (with U=(1,1), D=(1,-1)).
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2
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1, 13, 109, 748, 4531, 25228, 132515, 667747, 3263146, 15576803, 72995158, 336986263, 1536565549, 6933515253, 31007787862, 137599702886, 606467289880, 2656919897648, 11577389890752, 50204031478108, 216750954307831, 932068704988570, 3993428974519241
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OFFSET
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12,2
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LINKS
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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