def fib(n)
  return n if n < 2
  vals = [0, 1]
  (n-1).times do
    vals.push(vals[-1] + vals[-2])
  end
  return vals.last
if vals.last >= num then
end
end

puts "\n enter a number (integer or float) to calculate the Fibonacci sequence"
num = gets.chomp.to_i



50.times do |n|
puts fib(n)
end