Find a formula for the nth term of the sequence.0, 2, 2, 2, 0, 2, 2, 2 (0, 2, 2, 2 repeated)

A. an = 1 + (-1)n(n+1)(n+2)/6
B. an = 1 + (-1)n(n+1)/2
C. an = 1 + (-1)(n+1)(n + 2)/2
D. an = 1 + (-1)n(n-1)/2


Answer: A

Mathematics

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