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A165914 a(n) = sum of the squarefree quadratic residues of n. 1
0, 1, 1, 1, 1, 4, 3, 1, 8, 12, 9, 1, 14, 21, 17, 1, 31, 31, 47, 6, 23, 49, 25, 1, 72, 103, 72, 22, 77, 72, 58, 18, 72, 177, 121, 14, 176, 180, 79, 1, 202, 172, 276, 76, 95, 249, 184, 34, 298, 318, 251, 60, 362, 263, 137, 1, 242, 479, 448, 22, 456, 432, 214, 149 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,6
LINKS
CROSSREFS
Sequence in context: A200384 A128007 A098458 * A139621 A305621 A196841
KEYWORD
nonn
AUTHOR
EXTENSIONS
a(1) added and Cf corrected by Christopher Hunt Gribble, Oct 05 2009
STATUS
approved

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Last modified April 25 10:01 EDT 2024. Contains 371967 sequences. (Running on oeis4.)