I'm assuming this is a sequence and you want to figure out which number is out of place.
The pattern I see is "double" then "add three"
1
1 x 2 = 2
2 + 3 = 5
5 x 2 = 10
10 + 3 = 13
13 x 2 = 26
26 + 3 = 29
29 x 2 = 58
The last number should be 58, not 48. And the number after that is 61.
1, 2, 5, 10, 13, 26, 29, 58, 61, 122, 125, 250, 253, 506, 509, etc.
Order of operations has us do this from left to right:
1-2-5-10-13-26-29-48
-1-5-10-13-26-29-48
-6-10-13-26-29-48
-16-13-26-29-48
-29-26-29-48
-55-29-48
-84-48
-132
51-102-105-210
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Answers & Comments
I'm assuming this is a sequence and you want to figure out which number is out of place.
The pattern I see is "double" then "add three"
1
1 x 2 = 2
2 + 3 = 5
5 x 2 = 10
10 + 3 = 13
13 x 2 = 26
26 + 3 = 29
29 x 2 = 58
The last number should be 58, not 48. And the number after that is 61.
1, 2, 5, 10, 13, 26, 29, 58, 61, 122, 125, 250, 253, 506, 509, etc.
Order of operations has us do this from left to right:
1-2-5-10-13-26-29-48
-1-5-10-13-26-29-48
-6-10-13-26-29-48
-16-13-26-29-48
-29-26-29-48
-55-29-48
-84-48
-132
51-102-105-210