Answers

2014-09-03T20:06:18+08:00
The patter is to add 1 to 4 then multiply 1 by 3 then add again multiply 3 by 3 then add it again then multiply 9 by 3 again then add it again and lastly multiply 27 by 3 and add it again making the last number 81.Pattern:1,3,9,27,81. Check if I'm wrong.
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