id:A058164 - OEIS Search Results

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Number of labeled lattices with a fixed bottom.

+0
5

1, 1, 2, 9, 76, 1065, 22566, 674611, 27019896, 1393871121, 89805306250, 7051089328371, 661327038073428, 72882388902988561, 9308502142507505406, 1361778362223282167235, 225917426273413368357616 (list; graph; listen)

	OFFSET	`1,3`
	CROSSREFS	`a(n)=A055512(n)/n=A058165(n)*(n-1). Main diagonal of A058160.` `Sequence in context: A123680 A132621 A108992 this_sequence A006059 A006041 A121131` `Adjacent sequences: A058161 A058162 A058163 this_sequence A058165 A058166 A058167`
	KEYWORD	`nonn,hard`
	AUTHOR	`Christian G. Bower (bowerc(AT)usa.net), Nov 15 2000`

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Last modified November 27 14:50 EST 2009. Contains 167570 sequences.

AT&T Labs Research