Arrange the odd numbers this way, increasing the number of odd numbers in each row by one each time:
1
3, 5
7, 9, 11
13, 15, 17, 19
. . .
Add the numbers in each row. Can you see a pattern?
(If you have difficulty seeing a pattern, find the cube root of each row total.)
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Julian said...
I didn't find it all that odd. There are lots of patterns like that in numbers.
May 15, 2008 at 11:17 AM
Heather said...
I found it completely odd - there are no even numbers in the arrangement.
May 16, 2008 at 10:41 AM
Richard said...
that is the only odd thing. patterns like that are rather common
May 20, 2008 at 6:47 AM
Richard said...
Actually, it is rather a good pattern. My Mum agrees, anyway. :)
May 20, 2008 at 9:50 AM