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

1, 3, 4, 8, 9, 15, 16, 19, 20, 24, 25, 28, 33, 35, 36, 40, 48, 49, 51, 63, 64, 65, 68, 73, 80, 81, 84, 99, 100, 104

Offset: 1

Author

Artur Jasinski, May 16 2010

Keywords

• nonn

Comments

To this sequence belonging as subset all perfect squares and squares-1.

Complement to this sequence see A177987.

Crossrefs

Cf. A054504, A081121.