# Pastebin IGRSfH5m
'use strict';

const set = ['◦', '¶', '?', '•'];

function a(n) {
  if (n === 0) {
    return [];
  }

  const c = Math.ceil(n / set.length);

  const out = [];

  let i = n;
  while (out.length < c) {
    out.push(set[i++ % set.length]);
  }

  return out;
}

for (let i = 0; i < 17; i += 1) {
  console.log(a(i));
}