A n 0 1 2 1 1 1 2 2 2 1 2 3 3 1 2 4 find the 40 th term and

Last updated: 4/27/2023

A n 0 1 2 1 1 1 2 2 2 1 2 3 3 1 2 4 find the 40 th term and the sum of the first 21 terms