Conway Sequence

conway.js

function lookandsay(str) {
  return str.replace(/(.)\1*/g, (seq, p1) => seq.length.toString() + p1)
}

function conway(n) {
  if (n === 1) return "1"
  return lookandsay(conway(n - 1))
}


Array(10).fill().map((_, idx) => console.log(conway(idx + 1)))