OFFSET
1,2
COMMENTS
a(18) <= 10139116680000. - Donovan Johnson, Nov 24 2012
LINKS
D. Clark, An arithmetical function associated with the rank of elliptic curves, Canad. Math. Bull. Vol. 34 (2), 1991 pp. 181-185.
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Michel Marcus, Oct 27 2012
EXTENSIONS
a(12)-a(17) from Donovan Johnson, Nov 24 2012
STATUS
approved