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2014-05-05T22:25:34+03:00
F(0)=0+1=1
f(1)=1+1=2
f(2)=2+1=3
..............
f(2010)=2010+1=2011
S=(1+2011)*2011/2= 2012*2011/2
A=2012+2  *  2012*2011/2
=2012+2012*2011
=2012(1+2011)
=2012*2012
=2012²-este pp