The rule was at four all the numbers and pattern were odd. Three of the numbers and Sarah‘s pattern were less than 10 well, what was the starting number for Sarah’s pattern?
If we start with 3 as the first number, the sequence would be 3, 5, 7, 9, 11. In this sequence, all numbers are odd, fulfilling the condition. Therefore, the starting number for Sarah's pattern is 3.
