Practice problem
A sequence a1,a2,⋯a_1,a_2,\cdotsa1,a2,⋯ is defined by the recursive formula an=2+an−1an−1a_n=2+a_{n-1}^{a_{n-1}}an=2+an−1an−1 and a1=1a_1=1a1=1. Find a3a_3a3.
111
333
292929
666
Type a concept, like “slope” or “photosynthesis”.
