OFFSET
1,1
COMMENTS
Positive integer N belongs to this sequence if and only if the elliptic curve y^2 = x^3 + (8*N^2+1)*x^2 + 16*N^4*x has positive rank.
PROG
(PARI) { isA228914(n) = ellanalyticrank(ellinit([0, 8*n^2+1, 0, 16*n^4, 0]))[1]; } /* Max Alekseyev, Dec 30 2015 */
CROSSREFS
KEYWORD
nonn
AUTHOR
Thomas Bokk, Sep 13 2013
EXTENSIONS
More terms from Max Alekseyev, Sep 13 2013
STATUS
approved