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A179567 Number of permutations of 1..n with the number moved left exceeding the number moved right by 1 or more 2
0, 0, 1, 5, 37, 219, 1823, 13831, 139879, 1321535, 15951919, 181202031, 2549722415, 33883956911, 545091050671, 8301190456511, 150332113604031, 2581953013032639 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

LINKS

Table of n, a(n) for n=1..18.

CROSSREFS

Equal number moved left and right, see A062868.

Equals (n!-A062868(n))/2.

Sequence in context: A273539 A095924 A270019 * A088582 A088583 A202556

Adjacent sequences:  A179564 A179565 A179566 * A179568 A179569 A179570

KEYWORD

nonn

AUTHOR

R. H. Hardin Jul 19 2010

STATUS

approved

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Last modified September 18 22:25 EDT 2020. Contains 337174 sequences. (Running on oeis4.)