Fibonacci Sequence

 const generateFibonacci = (n: number) => {
    if (n <= 0) return []
    if (n === 1) return [0]
    const seq = [0, 1]
    for (let i = 2; i < n; i++) {
      seq.push(seq[i - 1] + seq[i - 2])
    }
    return seq
  }