ior = io.read
local n = ior("*n")
local t = {}
local k = {}
for i = 1, n do
  local a = ior("*n")
  if(t[a] == nil) then
    table.insert(k, a)
    t[a] = 1
  else t[a] = t[a] + 1 end
end
if(#k <= 2) then print(0)
else
  local ret = 0
  for i = 1, #k - 2 do
    for j = i + 1, #k - 1 do
      for l = j + 1, #k do
        ret = (ret + t[k[i]] * t[k[j]] * t[k[l]]) % 1000000007
      end
    end
  end
  print(ret)
end