5,11,29,55,what comes next in the series

• 2*2+1=5
  3*3+2=11
  5*5+4=29
  7*7+6=55
  11*11+10=131
  as it is of the form n*n+(n-1)
  ans: 131
• 10 years agoHelpfull: Yes(5) No(0)
• DIFFERENCE BETWEEN EVERY NUM IS 6,18,(26),...DIFFERNCE BETWEEN THESE NUM IS 12,8,NEXT IS (4)ADD THIS 4 TO (26) SO,...ADD 30 TO ORIGINAL NUM 55,...SO ANS IS 85
• 10 years agoHelpfull: Yes(1) No(1)
• ans.89
  11 29 55
  10 18 26
  
• 9 years agoHelpfull: Yes(0) No(0)