A177988 - OEIS

A177988

Numbers n such that quartic curve y^2=x^4-n has integral points.

1, 7, 12, 15, 16, 17, 31, 32, 45, 49, 56, 60, 65, 71, 72, 77, 80, 81

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OFFSET

1,2

COMMENTS

Complement to this sequence see A177989.

Numbers n such that quartic curve y^2=x^4+n has integral points. see A177986.

LINKS

PROG

(Magma) IntegralQuarticPoints([1, 0, 0, 0, -81]);

CROSSREFS

KEYWORD

nonn

AUTHOR

STATUS

approved