Skip to content / Đến nội dung
ThichHocToan.com

Australian AMC 2022 - Junior Question 21

AMC AUSTRALIA · Australian AMC 2022 - Junior

Question 21

The first number in a list is 2. After that, each number is calculated by adding the digits of the previous number together and squaring the result. What is the 2022nd number in the list?
  1. 49
  2. 169
  3. 256
  4. 529
  5. 1024