Question: An array consists of consecutive positive numbers from 1 to 9 that repeat. The first row has one digit. The second row has two digits.

An array consists of consecutive positive numbers from 1 to 9 that repeat. The first row has one digit. The second row has two digits. The third row had four digits. Each row has double the number of digits as the previous one.

What is the 2020th number in the 2020th row?

What is the sum of the numbers in the 2020th row?

What is the nth number in the nth row?

What is the sum of the numbers in the nth row?

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