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A087780 Number of non-congruent solutions to x^2 == 2 mod n. +0
1
1, 1, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 2, 0, 0, 2, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 2, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 2, 2, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 2, 0, 0, 0, 0, 0, 2, 0, 0, 2, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 2, 0, 0, 2, 2, 0, 0, 0, 0, 2, 0, 0 (list; graph; listen)
OFFSET

1,7

CROSSREFS

Cf. A060594.

Adjacent sequences: A087777 A087778 A087779 this_sequence A087781 A087782 A087783

Sequence in context: A085859 A086016 A103270 this_sequence A082523 A083935 A053201

KEYWORD

mult,nonn

AUTHOR

Yuval Dekel (dekelyuval(AT)hotmail.com), Oct 06 2003

EXTENSIONS

More terms from David Wasserman (wasserma(AT)spawar.navy.mil), Jun 17 2005

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Last modified October 13 20:18 EDT 2008. Contains 145016 sequences.


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