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A165927 a(n) = number of square-full quadratic non-residues of n. 1
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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,15

LINKS

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

CROSSREFS

Cf: A165925

Sequence in context: A029335 A029257 A194258 * A127830 A176816 A053284

Adjacent sequences:  A165924 A165925 A165926 * A165928 A165929 A165930

KEYWORD

nonn

AUTHOR

Christopher Hunt Gribble, Sep 30 2009

STATUS

approved

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Last modified October 21 14:20 EDT 2019. Contains 328301 sequences. (Running on oeis4.)