Answer:
a(67) = 190
Explanation:
a(n) = a(n-1) + 3
Now for a(n + 1):
a(n+1) = a(n) + 3
Replacing a(n):
a(n+1) = a(n-1) +3 +3
From there you can see that +3 is multiplied by the number of terms
a(67) = a(0) + 3 * 67
a(67) = -11 + 201 = 190
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