document.write( "Question 1049265: A pyramid of blocks is built in layers. The bottom layer has 6 to the 2 or 36 blocks. The next layer is 5 to the 2 or 25 blocks
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Algebra.Com's Answer #664849 by ikleyn(52781)\"\" \"About 
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\n" ); document.write( "A pyramid of blocks is built in layers. The bottom layer has 6^2 or 36 blocks. The next layer is 5^2 or 25 blocks
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document.write( "1^2 + 2^2 + 3^2 + 4^2 + 5^2 + 6^2 = \"6%2A7%2A%282%2A6%2B1%29%2F6\" = calculate it yourself.\r\n" );
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document.write( "1^2 + 2^2 + 3^2 + . . . + n^2 = \"%28n%2A%28n%2B1%29%2A%282n%2B1%29%29%2F6\".\r\n" );
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document.write( "See the lesson\r\n" );
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document.write( "    - Mathematical induction for sequences other than arithmetic or geometric\r\n" );
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document.write( "in this site.\r\n" );
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