1,3,5,9,17,33,?

• 65
  1+2=3
  3+2=5
  5+4=9
  9+8=17
  17+16=33
  33+32=65
  
• 11 years agoHelpfull: Yes(2) No(0)
• 65 as 3-1=2
  5-1=4
  9-1=8
  ...33-1=32
  now no is 64+1=65
• 11 years agoHelpfull: Yes(1) No(0)