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A089003 Number of non-congruent solutions to x^2 - 2y^2 == 1 mod n. +0
1
1, 2, 4, 4, 6, 8, 6, 16, 12, 12, 12, 16, 14, 12, 24, 32, 16, 24, 20, 24 (list; graph; listen)
OFFSET

1,2
CROSSREFS

Cf. A088964, A062570.

Sequence in context: A026413 A038669 A135692 this_sequence A132118 A007843 A053196

Adjacent sequences: A089000 A089001 A089002 this_sequence A089004 A089005 A089006

KEYWORD

mult,nonn

AUTHOR

Yuval Dekel (dekelyuval(AT)hotmail.com), Nov 02 2003

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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.

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