# [Alice], 11 bytes <pre><code>.2~E/ O \h </code></pre> [Try it online!][TIO-li9fuf86] [Alice]: https://github.com/m-ender/alice [TIO-li9fuf86]: https://tio.run/##S8zJTE79/1/PqM5VX8FfISaD6/9/AA "Alice – Try It Online" The trailing newline is required . Duplicates the top of the stack, or two `0` if the stack is empty 2~ Pushes two on the stack, swap the top two items E Calculates `2^n`, where `n` is the current iteration minus 1 / O \ Prints the number h Increments the exponent