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A269114 Number of sequences with 4 copies each of 1,2,...,n avoiding the pattern 12...n. 2
0, 0, 1, 3199, 16140983, 142951955371, 2169397142273171, 54391509124298646609, 2179159866745975811590271, 135383475007869462606521105767, 12672963300072129619006691134123819, 1737368296284036324230735297513232295869 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,4
LINKS
FORMULA
a(n) = A014608(n) - A268847(n).
CROSSREFS
Column k=4 of A269129.
Sequence in context: A235786 A235781 A235562 * A035896 A224646 A231203
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Feb 19 2016
STATUS
approved

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Last modified March 4 23:31 EST 2024. Contains 370537 sequences. (Running on oeis4.)