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A094682 Discriminants of integer positive ternary quadratic forms that are spinor regular but not regular. 0
64, 108, 108, 128, 256, 256, 324, 343, 432, 432, 432, 1024, 1024, 1024, 1372, 1728, 2048, 3888, 4096, 4096, 4096, 5488, 6912, 6912, 16384, 16384, 27648, 62208, 87808 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
List is believed to be complete.
REFERENCES
G. L. Watson: Integral Quadratic Forms (Cambridge, 1960).
LINKS
W. K. Chan and A. G. Earnest, Discriminant bounds for spinor regular ternary quadratic lattices, J. London Math. Soc. (2) 69 (2004), no. 3, 545-561.
W. C. Jagy, I. Kaplansky and A. Schiemann, There are 913 regular ternary forms, Mathematika 44(1997) 332-341.
CROSSREFS
Sequence in context: A317382 A331455 A039481 * A118158 A264590 A221258
KEYWORD
nonn,fini,full
AUTHOR
Will Jagy, Jun 03 2004
STATUS
approved

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Last modified March 28 20:05 EDT 2024. Contains 371254 sequences. (Running on oeis4.)