A028722 Square classes of 2-adic rationals.

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.

Links

Table of n, a(n) for n=0..8.

Crossrefs

Sequence in context: A139826 A358374 A182048 * A030050 A018336 A194359

Adjacent sequences: A028719 A028720 A028721 * A028723 A028724 A028725

Keyword

nonn,fini,full

Author

N. J. A. Sloane.

Status

approved