Mathematics, 05.12.2021 22:10 isiahamccoy8822

A sequence of positive integers starts with one 1, followed by two 2s, three 3s, and so on. (Each positive integern occurs n times.) How many of the first 105 numbers in this
sequence are divisible by 3?

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A sequence of positive integers starts with one 1, followed by two 2s, three 3s, and so on. (Each...