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A253200 Nonnegative integers n for which the equation x^4 + n*x^2*y^2 + y^4 = z^2 has no solution in positive integers x, y, z, with x > y. 1
0, 1, 3, 4, 5, 6, 7, 9, 10, 11, 14, 15, 18, 19, 20, 21, 22, 25, 28, 29 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,3
LINKS
H. C. Pocklington, Some Diophantine Impossibilities, Proc. Cambridge Phil. Soc. 17 (1912), pp. 114-116.
CROSSREFS
Cf. A253201.
Sequence in context: A113777 A285659 A256421 * A227938 A039096 A083121
KEYWORD
nonn,more
AUTHOR
STATUS
approved

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Last modified March 29 02:23 EDT 2024. Contains 371264 sequences. (Running on oeis4.)