A145581 - OEIS

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A145581

Number of isomorphism classes of toric log del Pezzo surfaces with index L = n.

16, 30, 99, 91, 250, 379, 429, 307, 690, 916, 939, 1279, 1142, 1545, 4312, 1030 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	COMMENTS	`A145582(n) is the number of rank one toric log del Pezzo surfaces with index L = n. Both are in the table for Theorem 1.2, p.4 of Kasprzyk, Kreuzer and Nill.`
	LINKS	`Alexander M. Kasprzyk, Maximilian Kreuzer and Benjamin Nill, On the combinatorial classification of toric log del Pezzo surfaces, arXiv:0810.2207 [math.AG]`
	CROSSREFS	`Cf. A145582.` `Sequence in context: A115278 A064634 A183372 * A186453 A129617 A194122` `Adjacent sequences: A145578 A145579 A145580 * A145582 A145583 A145584`
	KEYWORD	`nonn`
	AUTHOR	`Jonathan Vos Post (jvospost3(AT)gmail.com), Oct 14 2008`
	EXTENSIONS	`Replaced link to cached arXiv URL by link to the abstract - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Mar 01 2010`

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Last modified February 16 09:27 EST 2012. Contains 205904 sequences.