A179146 -id:A179146 - cp's OEIS frontend

A134220 Values n for which integer solutions of Mordell curve y^2=x^3+n have a single value of x (or equivalently of nonnegative y).

2, 3, 4, 5, 10, 16, 18, 19, 22, 25, 26, 27, 30, 31, 33, 35, 38, 40, 41, 43, 48, 49, 50, 52, 54, 55, 56, 71, 72, 76, 79, 81, 82, 91, 92, 94, 97, 98, 99, 105, 106, 107, 112, 117, 119, 120, 122, 125, 126, 127, 131, 132, 134, 136, 138, 142, 143, 144, 150, 151, 152, 154, 156

Offset: 1

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Artur Jasinski, Oct 14 2007, Oct 16 2007

nonn

Union of A179145 and A179146.

Cf. A134108, A134221, A134222, A134223.

Numbers n such that A134108(n) = Floor((A081119(n)+1)/2) = 1.

Edited and extended by Ray Chandler, Jul 12 2010

cp's OEIS Frontend

A134220 Values n for which integer solutions of Mordell curve y^2=x^3+n have a single value of x (or equivalently of nonnegative y).

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