OFFSET
1,88
LINKS
Seiichi Manyama, Table of n, a(n) for n = 1..1000
PROG
(PARI) {a(n) = ellanalyticrank(ellinit([0, -n+1, 0, -n, 0]))[1]}
CROSSREFS
KEYWORD
nonn
AUTHOR
Seiichi Manyama, Jul 15 2019
STATUS
approved