MathDB

Phoenix is counting positive integers starting from

1

. When he counts a perfect square greater than

1

, he restarts at

1

, skipping that square the next time. For example, the first

10

numbers Phoenix counts are

1

2

3

4

1

2

3

5

6

7

...

How many numbers will Phoenix have counted after counting 1

00

for the first time?

Problem Statement