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A246228 Number of permutations of [n] with exactly eight (possibly overlapping) occurrences of the consecutive step pattern given by the binary expansion of n, where 1=up and 0=down. 2
9690, 0, 0, 0, 0, 0, 15555589905976050, 0, 0, 0, 0, 0, 705927677520644167681, 0, 0, 0, 44817466764068599693530434, 0, 0, 0, 0, 327785215140138748862828534217850944, 0, 3576951943897328654730413638351518560, 0, 0, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET

15,1

LINKS

Alois P. Heinz, Table of n, a(n) for n = 15..130

CROSSREFS

Column k=8 of A242783.

Sequence in context: A204344 A204343 A068362 * A234819 A236795 A061659

Adjacent sequences:  A246225 A246226 A246227 * A246229 A246230 A246231

KEYWORD

nonn

AUTHOR

Alois P. Heinz, Aug 19 2014

STATUS

approved

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Last modified September 19 07:24 EDT 2020. Contains 337178 sequences. (Running on oeis4.)