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A309164
Least k such that the rank of the elliptic curve y^2 = x * (x+1) * (x+k) is n.
2
2, 7, 31, 627, 15991
OFFSET
0,1
PROG
(PARI) {a(n) = my(k=2); while(ellanalyticrank(ellinit([0, k+1, 0, k, 0]))[1]<>n, k++); k}
CROSSREFS
Sequence in context: A091312 A118581 A102159 * A102163 A102164 A147782
KEYWORD
nonn,more
AUTHOR
Seiichi Manyama, Jul 15 2019
STATUS
approved