SOLUTION: What is first number of the sequence if the last number is 17 and second number is 3.

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Question 991041: What is first number of the sequence if the last number is 17 and second number is 3.
Answer by farohw(175) About Me  (Show Source):
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If the second number is 3 and the last is 17 then the pattern is: multiply each number by 2 then subtract 1.

2, 3, 5, 9, 17

So the first number of the sequence is 2.