SOLUTION: What is the pattern in these numbers 1, 2, 7, 20, 61, 182

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Question 800111: What is the pattern in these numbers
1, 2, 7, 20, 61, 182

Answer by mhel12jhane(6) About Me  (Show Source):
You can put this solution on YOUR website!
1+2=3*2+1=7
1+2+7=10*2=20
1+2+7+20=30*2+1=61
1+2+7+20+61=91*2=182
1+2+7+20+61+182=273*2+1=547
pattern
1st add the numbers then *2+1
2nd add the numbers then *2
repeat the sequence