The sequence of odd whole numbers is: {1, 3, 5, 7, 9, 11, 13, …}.

- The set of odd integers is represented by: {…, –7, –5, –3, –1, 1, 3, 5, 7, …}.
- Numbers like 3.5 and –7.9 are not odd numbers, because they are not integers.

The sequence of odd whole numbers is: {1, 3, 5, 7, 9, 11, 13, …}.

- The set of odd integers is represented by: {…, –7, –5, –3, –1, 1, 3, 5, 7, …}.
- Numbers like 3.5 and –7.9 are not odd numbers, because they are not integers.