TANGLECUBE QUARTIC · n = 8,000 · THE CAPTION IS THE SOURCE
(a,b,c)=>a**4-5*a*a+b**4-5*b*b+c**4-5*c*c+11.8
BARTH SEXTIC · n = 8,000 · THE CAPTION IS THE SOURCE
(a,b,c)=>{let d=i*i;return(d*a*a-b*b)*(d*b*b-c*c)*(d*c*c-a*a)-(2*i+1)/4*(a*a+b*b+c*c-1)**2}