Problem #PRU-97817

Problems Calculus Number sequences Boundedness, monotonicity Algebra Sequences

Problem

$a_{1}, a_{2}, a_{3}, \dots$ is an increasing sequence of natural numbers. It is known that $a_{a_{k}} = 3 k$ for any $k$ . Find a) $a_{100}$ ; b) $a_{2022}$ .

To see the solution register and get verified.