MOD = 998_244_353
T = gets.to_i
dp = Array.new(110, 0)
dp[1] = 2
rui = 2

2.upto(100) do |i|
  dp[i] = 2 + 2 * rui
  rui += dp[i]
  dp[i] %= MOD
  rui %= MOD
end

T.times do
  n = gets.to_i

  puts dp[n]
end