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A130803 Number of distinct values of the n-th difference of permutations of 0..n. 2
1, 2, 3, 11, 11, 121, 45, 355, 541, 3785, 773, 18397, 3173, 88881, 188949, 210337 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..15.

EXAMPLE

a(1)=2 because the first differences of 0,1 and 1,0 are 1 and -1.

CROSSREFS

Sequence in context: A320264 A265563 A265547 * A007932 A035122 A085305

Adjacent sequences:  A130800 A130801 A130802 * A130804 A130805 A130806

KEYWORD

nonn

AUTHOR

R. H. Hardin, Aug 20 2007

EXTENSIONS

Two additional terms from R. H. Hardin, Mar 07 2010

STATUS

approved

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Last modified September 16 10:36 EDT 2019. Contains 327094 sequences. (Running on oeis4.)