A058164 - OEIS

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A058164

Number of labeled lattices with a fixed bottom.

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

	OFFSET	`1,3`
	CROSSREFS	`a(n)=A055512(n)/n=A058165(n)(n-1). Main diagonal of A058160.` `Sequence in context: A123680 A132621 A108992 A006059 A182947 A006041` `Adjacent sequences: A058161 A058162 A058163 * A058165 A058166 A058167`
	KEYWORD	`nonn,hard`
	AUTHOR	`Christian G. Bower (bowerc(AT)usa.net), Nov 15 2000`

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Last modified February 17 13:13 EST 2012. Contains 206031 sequences.