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A239916 List of dimensions in which there exists an exceptional integral lattice of simplex type with minimal norm 3 and generated by norm 3 vectors. 0
6, 7, 14, 16, 22, 23, 25, 30, 47 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..9.

A. Neumaier, Lattices of simplex type, SIAM J. Algebraic Discrete Methods 4 (1983), no. 2, 145--160. MR0699768 (85f:05040). See Theorem 3.7.

CROSSREFS

Sequence in context: A315836 A315837 A315838 * A229067 A315839 A315840

Adjacent sequences:  A239913 A239914 A239915 * A239917 A239918 A239919

KEYWORD

nonn,fini,full

AUTHOR

N. J. A. Sloane, Apr 13 2014

STATUS

approved

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Last modified July 11 22:52 EDT 2020. Contains 335652 sequences. (Running on oeis4.)