OFFSET
0,1
COMMENTS
FORMULA
a(n) = A179162(2*n+1)^(1/3).
EXAMPLE
a(4) = 8 since y^2 = x^3 + 8^3 has exactly 9 solutions (-8,0), (-7,+-13), (4,+-24), (8,+-32), and (184,+-2496), and the number of solutions to y^2 = x^3 + k^3 is not 9 for 0 < k < 8.
CROSSREFS
KEYWORD
nonn,hard,more
AUTHOR
Jianing Song, Aug 23 2022
STATUS
approved