What is the pattern of 44 1 55 2 66 3 77?

Answer 1

The odd numbers 1 3 5 7 are increased by 11 each time

While the even numbers 2 4 6 are halved each time.

I guess you could write the sequence like this: S(n) = If n odd, then (n+3)*11; If n even, then n/2