work out ^2's
how to work out to the power of 2's a.k.a sqaures.
1^2=1
to get the next square (2^2) add the next odd number (3)
1+3=4 so 2^2 = 4
to get 3^2 add the next odd number to 4 = 9
etc
:D
just add the next odd number to the last answer c:
yay
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