Please aswer this..

Find the missing number in the sequence
3 , 6 , 11 , 20 , 37 , ? , 135

Question

Please aswer this..

Find the missing number in the sequence
3 , 6 , 11 , 20 , 37 , ? , 135

hihi67 · Answer

no, doubled -0, then -1, then -2, so..

hihi67 · Answer

the answer would be 70

hihi67 · Answer

70 is the answer!!!!!!!

callisto · Answer

I think it's 70...
3     6   11     20    37   _    135
 +3    +5   +9    +17
      + 2   +4   +8       <- + 2^n

.sam. · Answer

I get 70

kaederfds · Answer

I think 70
hmm

hihi67 · Answer

so is my answer too.

callisto · Answer

3     6   11     20    37   _ = (37+17+16)    135
 +3    +5   +9    +17   +(17+16)
      + 2   +4   +8       + 16

hihi67 · Answer

the pattern is doubled -0, then doubled -1, then doubled -2, then doubled -3, then doubled -4.  37 doubled is 74. 74-4 = 70.

.sam. · Answer

|dw:1336211795225:dw|
(135-x)-(x-37)=32
x=70