11289040domain: NAppears in sequencesConsider primitive solutions (x,y,z) to x^4+y^4+z^4=w^4 with 0<x<=y<=z arranged in order of increasing w; sequence gives x values.at n=3A078518Consider primitive solutions (x,y,z) to x^4+y^4+z^4=w^4 with 0<x<=y<=z arranged in order of increasing w; sequence gives z values.at n=3A078520