Next three terms of the series;
1,4,9,18,35,...

• 2^1-1=1
  2^2+0=4
  2^3+1=9
  2^4+2=18
  2^5+3=35
  2^6+4=68
  ANS:-68
• 11 years agoHelpfull: Yes(49) No(4)
• 1 4 9 18 35 __ __ __ Ans- 68 133 262
  3 5 9 17 33 65 129
• 11 years agoHelpfull: Yes(24) No(2)
• 68,133,262
• 11 years agoHelpfull: Yes(7) No(0)
• 2^1-1=1
  2^2+0=4
  2^3+1=9
  2^4+2=18
  2^5+3=35
  2^6+4=68
  ANS:-68 is correct
• 11 years agoHelpfull: Yes(4) No(1)
• 68,133,262
• 11 years agoHelpfull: Yes(3) No(3)
• 2^1-1=1
  2^2+0=4
  2^3+1=9
  2^4+2=18
  2^5+3=35
  2^6+4=68
  2^7+5=133
  2^8+6=262
  so the answer: 68, 133, 261
• 8 years agoHelpfull: Yes(3) No(0)
• 1,(1*2)+2,(4*2)+1,(9*2)+0,(18*2)-1,(35*2)-2
  so the ans is 68
• 11 years agoHelpfull: Yes(2) No(2)
• 1 4 9 18 35 68
  3 5 9 17 33
  2 4 8 16 32
• 11 years agoHelpfull: Yes(1) No(0)
• ans..66
  (1+4+9)+4=18
  (4+9+18)+4=35
  (9+18+35)+4=66
• 11 years agoHelpfull: Yes(1) No(3)
• 4-1=3
  9-4=5 (3*2-1)
  18-9=9 (5*2-1)
  35-18=17 (9*2-1)
  So the next three difference will be 17*2-1=33
  33*2-1=65
  65*2-1=129
  (35+33)=68
  68+65=133
  133+129=262
• 10 years agoHelpfull: Yes(1) No(0)
• 46, 109, 236
• 10 years agoHelpfull: Yes(0) No(0)