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A169934 Number of permutations of 1..n with the number moved left exceeding the number moved right by 2. 2
0, 0, 0, 1, 5, 66, 392, 4859, 34659, 482272, 4099634, 65762489, 653977909, 12026621478, 137361430156, 2862534403223, 36968414699239, 862935261673212, 12440701298168534, 321935664074780549, 5126628962937663529, 145768013651370381026, 2541561479354892816304 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,5
LINKS
Table of n, a(n) for n=1..23.
CROSSREFS
Column k=2 (or k=-2) of A062866.
Equal number moved left and right, see A062868.
Sequence in context: A263784 A263785 A263786 * A162443 A219678 A297743
Adjacent sequences: A169931 A169932 A169933 * A169935 A169936 A169937
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jul 19 2010
EXTENSIONS
a(19)-a(20) from Alois P. Heinz, Jul 31 2018
a(21)-a(23) from Alois P. Heinz, Apr 28 2024
STATUS
approved

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Last modified May 13 23:15 EDT 2024. Contains 372524 sequences. (Running on oeis4.)