E edtoth New member Joined Feb 25, 2009 Messages 1 Feb 25, 2009 #1 I know this should be easy, right? x-in, you get y-out........so what's the rule to get the nth number in this series? x=0, y=4 x=1, y=9 x=2, y=16 x=3, y=25 x=50, Y=? what's the rule?
I know this should be easy, right? x-in, you get y-out........so what's the rule to get the nth number in this series? x=0, y=4 x=1, y=9 x=2, y=16 x=3, y=25 x=50, Y=? what's the rule?
L Loren Senior Member Joined Aug 28, 2007 Messages 1,298 Feb 25, 2009 #2 It looks to me like all the y's are perfect squares. What do you do to each x to get the corresponding y that is a perfect square?
It looks to me like all the y's are perfect squares. What do you do to each x to get the corresponding y that is a perfect square?