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The general term a, of a sequence is
3n+1 divided by 2

(a) Find the first four terms of the sequence.

(b) Is the sum of a₁, a2, a3 and a4 a prime number?

The general term a, of a sequence is 3n+1 divided by 2 (a) Find the first four terms of the sequence. (b) Is the sum of a₁, a2, a3 and a4 a prime number? class=

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