13,17,21,23,29,35,33,41,49,.........
find next 2 numbers???

• 13+4=17 17+4=21
  23+6=29 29+6=35
  33+8=41 41+8=49
  43+10=53 53+10=63
  43,53
• 9 years agoHelpfull: Yes(1) No(0)
• 13+4
  17+4
  21+2
  23+6
  29+6
  35-2
  33+8
  41+8
  49+2
  51+10
  Thus, 51,61
• 9 years agoHelpfull: Yes(0) No(2)
• sequence of the difference is
  +4,+4,+2,+6,+6,-2,+8,+8 then next comes +2
• 9 years agoHelpfull: Yes(0) No(1)
• 13,17,21,23,29,35,33,41,49,43,53,63
  13,(13+4=17),(17+4=21)
  23,(23+6=29),(29+6=35)
  33,(33+8=41),(41+8=49)
  43,(43+10=53),(53+10=63)
• 9 years agoHelpfull: Yes(0) No(0)