Arrow by Knuth/half-alive

On an unrelated note, check out Arrow by half-alive, one of the best songs ever. Just for simplification, instead of the arrow symbol, I will use the ^ symbol, so 3^^8 = 3↑↑8. If you see 3^45, please don't freak out. Up-arrow notation is a hyperoperation devised by Donald Knuth in 1976. a^nb can be … Continue reading Arrow by Knuth/half-alive