id:A130803 - OEIS Search Results

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Number of distinct values of the n-th difference of permutations of 0..n.

+0
1

1, 2, 3, 11, 11, 121, 45, 355, 541, 3785, 773, 18397, 3173, 88881 (list; graph; listen)

	OFFSET	`0,2`
	EXAMPLE	`a(1)=2 because the first differences of 0,1 and 1,0 are 1 and -1.`
	CROSSREFS	`Sequence in context: A082618 A083758 A127494 this_sequence A007932 A035122 A085305` `Adjacent sequences: A130800 A130801 A130802 this_sequence A130804 A130805 A130806`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net), Aug 20 2007`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.