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A243777 Number of Dyck paths of semilength n having exactly eight (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). 3
1, 0, 0, 0, 0, 3780, 0, 0, 46, 20, 0, 16356705, 910111, 0, 1430, 45077670, 755820, 518221227, 101454300, 1479060, 0, 43816171893552, 0, 420732, 54663267285, 583180547204, 181720848039484, 60770152697265, 2020797438130380, 52163677215449, 31943272670595 (list; graph; refs; listen; history; text; internal format)
OFFSET
10,6
LINKS
EXAMPLE
a(10) = 1: UUDUDUDUDUDUDUDUDUDD.
CROSSREFS
Column k=8 of A243752.
Main diagonal of A243834.
Sequence in context: A364766 A080953 A178193 * A135200 A348148 A186953
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Jun 10 2014
STATUS
approved

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Last modified March 28 20:05 EDT 2024. Contains 371254 sequences. (Running on oeis4.)