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![[Post New]](/templates/default/images/icon_minipost_new.gif) 29 Mar 2008 20:44:49 IST
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y=2 : 1*2
y=3: 2*3
y=4:3*4
so it will be 1*2 + 2*3 + 3*4 + 4*5 +5*6 +6*7 + 7*8 +8*9=
2+6+12+ 20 + 30 + 42 + 56 + 72= 240
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Nitwit Blubber Odment Tweak
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