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A174103 Number of distinct even values of the (n-1)st difference of permutations of 1..n. 1
0, 1, 11, 5, 63, 23, 355, 269, 1903, 387, 9281, 1587, 44457, 94475, 210337 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,3

LINKS

Table of n, a(n) for n=2..16.

CROSSREFS

Cf. A130803.

Sequence in context: A120831 A253254 A229525 * A038319 A002547 A090840

Adjacent sequences:  A174100 A174101 A174102 * A174104 A174105 A174106

KEYWORD

nonn

AUTHOR

R. H. Hardin, Mar 07 2010

STATUS

approved

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Last modified June 20 01:36 EDT 2019. Contains 324223 sequences. (Running on oeis4.)