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A243774
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Number of Dyck paths of semilength n having exactly five (possibly overlapping) occurrences of the consecutive step pattern given by the binary expansion of n, where 1=U=(1,1) and 0=D=(1,-1).
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3
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1, 0, 0, 244, 1, 246, 379, 0, 179790, 0, 5096, 1721037, 1595288, 3992352, 455454822, 842632268, 63280332, 4243256192, 50749141182, 109671572304, 614565138768, 2580550363440, 2759439518892, 4369338844416, 474848703434955, 110506726968, 50798936389648
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OFFSET
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7,4
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LINKS
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EXAMPLE
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a(7) = 1: UUUUUUUDDDDDDD.
a(11) = 1: UDUUDUUDUUDUUDUUDDDDDD.
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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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