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Number of isomorphism classes of toric log del Pezzo surfaces with index L = n.
2

%I #15 Jun 26 2018 06:36:34

%S 16,30,99,91,250,379,429,307,690,916,939,1279,1142,1545,4312,1030,1892

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

%C 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.

%H Dimitrios I. Dais, <a href="https://arxiv.org/abs/1806.08351">On the Twelve-Point Theorem for l-Reflexive Polygons</a>, arXiv:1806.08351 [math.CO], 2018.

%H Alexander M. Kasprzyk, Maximilian Kreuzer and Benjamin Nill, <a href="https://arxiv.org/abs/0810.2207">On the combinatorial classification of toric log del Pezzo surfaces</a>, arXiv:0810.2207 [math.AG], 2008.

%Y Cf. A145582.

%K nonn

%O 1,1

%A _Jonathan Vos Post_, Oct 14 2008

%E a(17) from _Danny Rorabaugh_, Jun 22 2018