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A309168
Rank of elliptic curve y^2 = x^3 + (4*n^2 + 12*n -3)*x^2 + 32*(n+3)*x.
4
0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, 1, 0, 2, 1, 0, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 1, 1, 1, 1, 0, 1, 0, 0, 0, 0
OFFSET
0,35
LINKS
Andrew Bremner, Allan Macleod, An unusual cubic representation problem, Annales Mathematicae et Informaticae, 43(2014), pp.29-41.
PROG
(PARI) {a(n) = ellanalyticrank(ellinit([0, 4*n^2+12*n-3, 0, 32*(n+3), 0]))[1]}
CROSSREFS
Sequence in context: A172250 A309047 A255317 * A179229 A117201 A060953
KEYWORD
nonn
AUTHOR
Seiichi Manyama, Jul 15 2019
STATUS
approved