n^2 + 2n + 1
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Well, sweetheart, the nth term of that sequence is n^2 + 3. So, if you plug in n=1, you get 4. Plug in n=2, you get 9. And so on. Just keep plugging and chugging, honey, you'll get there.
Formula for nth termTn = a + (4n - 1) {where a is the first term and n is natural number}
square of (n x 2)
(n+1)^2 Please tell me you know what that means.
The nth term is (36 - 4n)
72/2n