
1, 3. 5, 3, 5, 7, 5, 7, 9, 7, 9, 11
(a) At what position does the first 15 appear?
(b) Find the value of the 27th number

(c) Find the sum of the first 30 numbers.
Answers:
1,3,5,3,5,7,5,7,9,7,9,11,9,11,13,11,13,15,13,15,17,15,17,19,17,19,21...
(a) 18th Position
(b) 21
(c) 360