A165927 a(n) = number of square-full quadratic non-residues of n.

0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 1, 2, 3, 3, 3, 2, 1, 3, 4, 4, 5, 5, 4, 6, 3, 7, 6, 5, 8, 7, 5, 5, 6, 6, 4, 7, 7, 7, 9, 5, 4, 11, 8, 10, 12, 10, 9, 10, 12, 11, 12, 10, 10, 13, 9, 8, 15, 18, 16, 13, 13, 14, 12, 15, 6, 16, 10, 13, 18, 15, 19, 16, 11, 21, 18, 14, 14, 20, 20, 15

Offset: 1

Author

Christopher Hunt Gribble, Sep 30 2009

Keywords

• nonn

Links

• C. H. Gribble, Table of n, a(n) for n=1,...,1000.

Crossrefs

Cf: A165925