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magistra | 10:47 Mon 06th Aug 2007 | Quizzes & Puzzles
2 Answers
I've stared at this for long enough!

1 2 6 21 ? 445

Help!
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Morning. Just switched on my computer. The answer is 88

1 x 1 plus 1 = 2
2 x 2 plus 2 = 6
6 x 3 plus 3 = 21
21 x 4 + 4 = 88
88 x 5 + 5 = 445

I just love this type of puzzle. It is the only ones I seem to be able to answer.
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many thanks to "obsessed"
why didn't I think of that?

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