A114563 - OEIS

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A114563

Number of "escalator" lattices in dimension n.

1, 1, 2, 9, 207, 1632, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	REFERENCES	`Manjul Bhargava, lecture on Universal Forms, AMS Annual Meeting, Phoenix, AZ, Jan 08 2004.`
	FORMULA	`Zero for n >= 6.`
	CROSSREFS	`Sequence in context: A123625 A069649 A111832 * A112311 A067564 A165797` `Adjacent sequences: A114560 A114561 A114562 * A114564 A114565 A114566`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Feb 16 2006`

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Last modified February 16 20:06 EST 2012. Contains 205955 sequences.