7 16 41 90 171 ?

• ?= 292
  
  7 16 41 90 171, 292
  7+9=16
  16+5^2=41
  41+7^2=90
  90+9^2=171
  171+11^2=171+121= 292
  
  
• 11 years agoHelpfull: Yes(9) No(0)
• 292...addition of odd no's square..
• 11 years agoHelpfull: Yes(0) No(1)
• 171+11^2= 292
• 11 years agoHelpfull: Yes(0) No(0)