ВОТЪ ВАМ

local next
do
  local i = 1
  local pf = 1
  local ppf = 1
  function next()
    local result
    if i <= 2 then
      result = 1
    else
      result = pf + ppf
    end
    i = i + 1
    ppf = pf
    pf = result
    return result
  end
end

 t = {}
 for i = 1, 10
  do
   t[i] = next()
  end
 var = t [7]
 print (var)