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Unformatted text preview: so that ( 2 n n ) is not divisible by 3 or 5. (iii) ($1000) Show that there innitely many values of n so that ( 2 n n ) is not divisible by 3 , 5 or 7. (iv) ($1000) Show that there are only nitely many values of n so that ( 2 n n ) is not divisible by 3 , 5 , 7 or 11. Note : I dont really expect anyone to solve (ii), (iii) or (iv) but computing some data might give a clue as to what is going on. 1...
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 Fall '07
 Graham

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