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A216510
Number of positive integer solutions to the equation a^2 + 6*b^2 = n.
0
0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 2, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 2, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1
OFFSET
1,55
CROSSREFS
Cf. A155716.
Sequence in context: A030199 A320005 A325414 * A005089 A364127 A340999
KEYWORD
nonn
AUTHOR
V. Raman, Sep 08 2012
STATUS
approved