1+5+14+30+-------------------------------20 terms

• 1^2+0=1
  2^2+1=5
  3^2+5=14
  ........
  ........
  20^2+2470=2870
• 11 years agoHelpfull: Yes(2) No(4)
• @animesh can u pls tell me how 2470 has come..pls show me the calculation
• 11 years agoHelpfull: Yes(2) No(0)
• 16170
  as the terms are 1,5,14,30,55,91,140,204,285,385,506,650,819,1015,1240,1496,1785,2109,2470,2870
• 11 years agoHelpfull: Yes(2) No(0)
• ans is 16176..
• 11 years agoHelpfull: Yes(0) No(0)
• 1+4=5
  5+9=14
  14+16=30
  ..
  ..
  2870+21^2=3311 is the series..
  now the sum of 20 terms 11+5+14+30+......+3311=19482
• 11 years agoHelpfull: Yes(0) No(1)