A175598 - OEIS

A175598

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

95800, 217519, 414560, 2682440, 15365639, 18796760

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OFFSET

1,1

COMMENTS

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

LINKS

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

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