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A088965 Number of non-congruent solutions to x^2 + 2y^2 == 1 mod n. +0
2
1, 2, 2, 4, 6, 4, 8, 16, 6, 12, 10, 8, 14, 16, 12, 32, 16, 12, 18, 24 (list; graph; listen)
OFFSET

1,2
CROSSREFS

Cf. A087561, A060968.

Sequence in context: A089002 A097089 A096466 this_sequence A059474 A078099 A118960

Adjacent sequences: A088962 A088963 A088964 this_sequence A088966 A088967 A088968

KEYWORD

mult,nonn

AUTHOR

Yuval Dekel (dekelyuval(AT)hotmail.com), Oct 28 2003

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.

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