A175598 Numbers k such that k^4 = x^4 - y^4 - z^4.

95800, 217519, 414560, 2682440, 15365639, 18796760

Offset

1,1

Comments

The values of x are 422481, 20615673, ... (without repetition).

Links

Table of n, a(n) for n=1..6.

Example

a(1) = 95800 because 95800^4 = 422481^4 - 217519^4 - 414560^4.
a(2) = 217519 because 217519^4 = 422481^4 - 95800^4 - 414560^4.

Crossrefs

Cf. A003828, A175610.

Sequence in context: A235783 A235788 A235564 * A078518 A234478 A130001

Adjacent sequences: A175595 A175596 A175597 * A175599 A175600 A175601

Keyword

nonn,more

Author

Juri-Stepan Gerasimov, Jul 21 2010, Jul 24 2010

Extensions

First 0 removed by Jinyuan Wang, Feb 20 2020

Status

approved