17,19,33,__,129,227

• Ans 67
  17+2=19
  19+(2+12)=33
  33+(14+20)=67
  67+(34+28)=129
  129+(62+36)=227
• 11 years agoHelpfull: Yes(10) No(20)
• 17-19 = 2 => 2^2-2
  33-19 = 14 => 4^2-2
  67-33 = 34 => 6^2-2
  129-67 = 62 =>8^2-2
  227-129 = 98 => 10^2-2
  Ans: 67
• 7 years agoHelpfull: Yes(4) No(1)