document.write( "Question 1147261: Find a formula that generates the following sequence 2,0,2,0,2,0 \n" ); document.write( "
Algebra.Com's Answer #768585 by ikleyn(52790)\"\" \"About 
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document.write( "\"a%5Bn%5D\" = \"1+%2B+%28-1%29%5E%28n%2B1%29\",   n = 1, 2, 3, 4, 5, 6.\r\n" );
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document.write( "Another possible formula, that works, too, is\r\n" );
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document.write( "\"a%5Bn%5D\" = \"1+%2B+cos%28n%2Api%29\",  n = 1, 2, 3, 4, 5, 6.\r\n" );
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