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Sunday, October 04, 2009 - 09:24 PM
Consider the following:
...............................................0 ...........................................1+2=3 .......................................4+5+6=7+8 .............................. 9+10+11+12=13+14+15 ........................16+17+18+19+20=21+22+23+24 ...................25+26+27+28+29+30=31+32+33+34+35 ..............36+37+38+39+40+41+42=43+44+45+46+47+48 .........49+50+51+52+53+54+55+56=57+58+59+60+61+62+63 ....64+65+66+67+68+69+70+71+72=73+74+75+76+77+78+79+80 and so on..... |
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