User contributions for Tornan steel
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2 April 2007
- 10:1710:17, 2 April 2007 diff hist +1 The Puzzler's Guide/Number/Special Number →Square Number
- 10:1710:17, 2 April 2007 diff hist +1,806 N The Puzzler's Guide/Number/Special Number Inofrmation about square numbers added..... tired now but may add more later ie. square + 1, cube, triangle, fibanachi, primes etc.
