In sequence 1.4.9.16.25.36 What's the 79th number in In sequence 1.4.9.16.25.36 What's the 79th number in? The fourth grade of primary school

In sequence 1.4.9.16.25.36 What's the 79th number in In sequence 1.4.9.16.25.36 What's the 79th number in? The fourth grade of primary school

The first number is 1 * 1
The second number is 2 * 2
By analogy, the number 79 is 79 * 79