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Old Nov 6th, 2004, 9:32 AM   #12
Ooble
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Congratulations. BTW, the number of numbers in each row is are the triangular numbers - 1, 3, 6, 10, 15, 21 etc. The formula for the number of numbers in each row is ½n(n+1), or ½n² + ½n, where n is the row number.
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