in reply to Re: Scrabble word arrangements with blank tiles
in thread Scrabble word arrangements with blank tiles

So, if your rack is 6 tiles and one blank, your answer is (26!/20!) * 26.

I think this formula is off by a factor of 7. This formula would be correct if the blank tile could only go into one position. However, the blank tile can go in any of seven positions, so it should be (26!/20!)*26*7. So, I still think the formula I gave in my answer above is the way to go.

UPDATE: Nah, I think spiritway is correct after all. Sorry!

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Re^3: Scrabble word arrangements with blank tiles
by spiritway (Vicar) on Nov 14, 2005 at 17:43 UTC

    No, because you're not adding a blank tile, you're *replacing* a letter tile with a blank tile.

    Update:Alas, I think I've got it wrong, too. It looks like TedPride has it right...