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A309964
Numbers k for which rank of the elliptic curve y^2 = x^3 - 432*k^2 is 4.
5
21691, 27937, 33193, 34706, 36667, 39331, 45353, 46299, 53265, 55298, 55335, 59295, 59690, 62628, 63147, 64001, 65683, 73963, 78604, 82290, 87653, 90489, 94681, 96139
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OFFSET
1,1
LINKS
Table of n, a(n) for n=1..24.
FORMULA
A060838
(a(n)) = 4.
PROG
(PARI) for(k=1, 5e4, if(ellanalyticrank(ellinit([0, 0, 0, 0, -432*k^2]))[1]==4, print1(k", ")))
CROSSREFS
Subsequence of
A159843
.
Cf.
A060748
,
A060838
,
A309960
(rank 0),
A309961
(rank 1),
A309962
(rank 2),
A309963
(rank 3).
Sequence in context:
A262818
A213870
A247694
*
A235219
A232121
A232419
Adjacent sequences:
A309961
A309962
A309963
*
A309965
A309966
A309967
KEYWORD
nonn
AUTHOR
Seiichi Manyama
, Aug 25 2019
EXTENSIONS
a(18)-a(24) from Maksym Voznyy, Jan 25 2023
STATUS
approved