Posted by **Victoria** on Wednesday, July 15, 2009 at 11:31pm.

All positive integers, one after another, are written in a form of a spiral

7 8 9 10

6 1 2 11

5 4 3 12

.. 15 14 13

where does the number 2009 appear with respect to 1?

(For example, 12 appears one unit down and two units to the right of 1)

- maths -
**MathMate**, Thursday, July 16, 2009 at 12:59am
Did you notice the pattern that the perfect squares appear alternatively on the bottom left and top right of the current square?

Check the position of 1, 4, 9, 16, 25, 36,...

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