random fibonacci sequence

index.js

const viswanath = 1.1319882487943
const numTurns = 5000

const posNeg = () => Math.random() > 0.5 ? 1 : -1

let prev = 1
let curr = 1
let temp

for (let i = 0; i < numTurns; i++) {
  temp = curr
  curr = curr + prev * posNeg()
  prev = temp

  console.log(curr)
}

const ratio = Math.pow(Math.abs(curr), 1/numTurns)

console.log(`
  Number of turns: ${numTurns} 
  Ratio: ${ratio}
  Viswanath: ${viswanath}
`)