cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

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A134222 Values n for which integer solutions of Mordell curve y^2=x^3+n have 3 different values of x (or equivalently of nonnegative y).

Original entry on oeis.org

1, 37, 57, 64, 129, 141, 164, 169, 171, 196, 281, 289, 359, 392, 414, 427, 433, 464, 513, 516, 577, 593, 612, 625, 633, 665, 684, 721, 729, 730, 793, 801, 841, 849, 899, 940, 953, 964, 1000, 1001, 1081, 1090, 1153, 1169, 1233, 1252, 1289, 1297, 1380, 1441
Offset: 1

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Author

Artur Jasinski, Oct 14 2007

Keywords

Comments

Union of A179149 and A179150.

Crossrefs

Cf. A134108, A134220, A134221, A134223.

Formula

Numbers n such that A134108(n) = Floor((A081119(n)+1)/2) = 3.

Extensions

Edited and extended by Ray Chandler, Jul 12 2010
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Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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