false
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i think the answer is seven, for if i'm being useless °ω°
step-by-step explanation:
lockers 1, 4, 9, 16, 25, 40, and 49 are open
i ran through it by the other answer is wrong
answer: 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000