Find a Formula for the Nth Term of the Sequence $0,2,2,2,0,2,2,2 ( 0,2,2,2$

question 151

Multiple Choice

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

• A) \(a _ { n } = 1 + ( - 1 ) ^ { n } ( n + 1 ) ( n + 2 ) / 6\)
• B) \(a _ { n } = 1 + ( - 1 ) ^ { n ( n + 1 ) / 2 }\)
• C) \(a _ { n } = 1 + ( - 1 ) ^ { ( n + 1 ) ( n + 2 ) / 2 }\)
• D) \(a _ { n } = 1 + ( - 1 ) ^ { n ( n - 1 ) / 2 }\)

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