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A028722
Square classes of 2-adic rationals.
0
0, 1, 2, 3, 5, 6, 7, 10, 14
OFFSET
0,3
REFERENCES
J. H. Conway and N. J. A. Sloane, "Sphere Packings, Lattices and Groups", Springer-Verlag, p. 368.
W. Scharlau, Quadratic and Hermitian Forms, Springer, p. 186.
CROSSREFS
Sequence in context: A139826 A358374 A182048 * A030050 A018336 A194359
KEYWORD
nonn,fini,full
AUTHOR
STATUS
approved