10 17 48 165 688 3475 ?

• 20892
  
  10 x 1 + 7 = 17
  17 x 2 + 14=48
  48 x 3 + 21=165
  165 x 4 + 28 =688
  688 x 5 + 35 =3475
  3475 x 6 + 42 = 20892
• 6 years agoHelpfull: Yes(0) No(0)