Find a formula for the nth term of the sequence.The sequence 0, 2, 2, 2, 0, 2, 2, 2, . . . (0 and 3 2's repeated)
A. an = 1 + (-1)((n+1)(n+2))/2
B. an = 1 + (-1)(n(n+1)(n+2))/6
C. an = 1 + (-1)(n(n+1))/2
D. an = 1 + (-1)(n(n-1))/2
Answer: B
Mathematics
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A. 
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C. 
D. 
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