A165917 a(n) = sum of the squarefree quadratic non-residues of n.

0, 0, 2, 5, 5, 7, 14, 23, 16, 12, 25, 44, 31, 37, 55, 86, 56, 73, 57, 117, 100, 95, 141, 188, 117, 86, 143, 193, 138, 172, 216, 287, 233, 161, 251, 393, 231, 264, 403, 520, 319, 390, 328, 571, 552, 398, 509, 706, 442, 422, 489, 731, 429, 581, 707, 898, 657, 477

Offset

1,3

Links

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

Crossrefs

Cf. A165916

Sequence in context: A161180 A101858 A329813 * A165898 A194531 A092394

Adjacent sequences: A165914 A165915 A165916 * A165918 A165919 A165920

Keyword

nonn

Author

Christopher Hunt Gribble, Sep 30 2009

Extensions

a(1) added and definition corrected by Christopher Hunt Gribble, Oct 05 2009

Status

approved