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A198898
Rank of elliptic curve y^2 = x^3 - A179386(n).
0
1, 1, 1, 2, 1, 2, 1, 1, 1, 3, 2, 3, 3, 3, 3, 3, 3, 3, 2, 4
OFFSET
1,4
CROSSREFS
Sequence in context: A175023 A128115 A091318 * A003639 A174110 A264969
KEYWORD
nonn,hard,more
AUTHOR
Artur Jasinski, Oct 31 2011
STATUS
approved