A309163 Rank of elliptic curve y^2 = x * (x+1) * (x-n).
0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 1, 1, 1, 1, 1, 1, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 1, 1, 0, 1, 2, 0, 1, 1, 1
Offset: 1
Keywords
Links
- Seiichi Manyama, Table of n, a(n) for n = 1..1000
Programs
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PARI
{a(n) = ellanalyticrank(ellinit([0, -n+1, 0, -n, 0]))[1]}