Which formula defines the sequence:
f(1) = 4, f(2) = 10, f(3) = 16, f(4) = 22, f(5) = 28?
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f(1) =4, f(n) = 4 + f(n - 1) for n >= 2
f(1) =10, f(n) = 6 + f(n - 1) for n >= 2
f(1) =4, f(n) = 6 + f(n - 1) for n >= 2
f(1) =4, f(n) = 10 + f(n - 1) for n >= 2