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83.24 Characterising non-trapezoidal numbers

Published online by Cambridge University Press:  01 August 2016

Chris Jones  and
Nick Lord
Chris Jones
Affiliation:
80 Eton Avenue, East Barnet, Herts EN4 8TY
Nick Lord
Affiliation:
Tonbridge School, Kent TN9 UP
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Type
Notes
Information
The Mathematical Gazette , Volume 83 , Issue 497 , July 1999 , pp. 262 - 263
Copyright
Copyright © The Mathematical Association 1999

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References

1. Frenzen, C.L., Proof without words: sums of consecutive positive integers, Mathematics Magazine 70 (1997) p. 294.CrossRefGoogle Scholar
2. Smith, Jim, Trapezoidal numbers, Mathematics in School (November 1997).Google Scholar
3. Wells, David, The Penguin dictionary of curious and interesting numbers, Penguin (1986).Google Scholar