document.write( "Question 637625: find the next number in the sequence 1 7 33 159 785.......... \n" ); document.write( "
Algebra.Com's Answer #401799 by MathLover1(20850)\"\" \"About 
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The sequence is defined recursively by \"a_0+=+1\" and \"a_n+=+a_%28n-1%29+%2B+5%5En+%2B+1\". \r
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\n" ); document.write( "\n" ); document.write( "\"785+%2B+5%5E5+%2B+1+=785+%2B+3125+%2B+1+=+3911\".
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