JSFiddle - React, Tailwind, and code Playground

JavaScript

function shuffle(arr) {
	for (let i = 0; i < arr.length; i += 1) {
  	const other = Math.floor(Math.random() * arr.length);
    const buffer = arr[i];
    arr[i] = arr[other];
    arr[other] = buffer;
  }
  
  return arr;
}

function deGenerate(len, {min, max}) {
	const delta = Math.ceil((max - min) / len);
  if (delta === 1) throw new Error('check args');
  const getRandom = () => Math.ceil(Math.random() * delta );
  const output = [];
  for (let i = 0; i < len; i += 1) {
  	output.push(i * delta + getRandom());
  }
  
  return shuffle(output);
}

console.log(deGenerate(100, {min: 0, max: 500}))