6,7,9,13,26,37...


which is odd one

• 26
  
  exact sequence ->
  6 , (6 + 1) , (6 + 1 + 2) , (6 + 1 + 2 + 4) ,
  => next term must be (6 + 1 + 2 + 4 + 8) = 21
  
  => 26 is odd.
• 11 years agoHelpfull: Yes(8) No(0)
• 7,13,37 ARE THE PRIME NUMBERS.
  SO REMAINING IS 6,9,26..
  IN THIS SERIES 6 & 9 IS DIVIDE BY 3.
  SO 26 IS THE ODD.
  ANSWER IS 26
  
• 11 years agoHelpfull: Yes(0) No(0)
• 6+1*2^0=7
  7+1*2^1=9
  9+1*2^2=13
  13+1*2^3=21
  21+1*16=37
• 10 years agoHelpfull: Yes(0) No(0)