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A180390 Number of permutations of 1..n with the permutation and its inverse having a different number of maxima 0
0, 0, 2, 8, 46, 348, 2556, 21568, 207226, 2139108, 24243696, 299757088, 3981465548, 56839765304 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..14.

CROSSREFS

Sequence in context: A128085 A052801 A294784 * A300696 A074599 A007289

Adjacent sequences:  A180387 A180388 A180389 * A180391 A180392 A180393

KEYWORD

nonn

AUTHOR

R. H. Hardin Sep 01 2010

STATUS

approved

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Last modified September 20 12:41 EDT 2019. Contains 327237 sequences. (Running on oeis4.)