Method polynomial

docs/ui/src/js/initialSequentialScale.js:257–259

(x)

      // Inverse of actual function in order to present dots in proper location.
      // See Leo.createScale for distribute lightness formula (square root of the one below)
      const polynomial = (x) => {
        return Math.sqrt((Math.pow(x, 2.25) + Math.pow(x, 4)) / 2);
      };

      const percDomains = percLums.map((d) => {
        return sqrtDomains(d);