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250 is also listed on that page without a special fact. Allow me to help out.
250 is a sum of two cubes which is also the sum of two squares in more than one way;
250 = 5<SUP><SIZE=1>3</SIZE></SUP> + 5<SUP><SIZE=1>3</SIZE></SUP> =13<SUP><SIZE=1>2</SIZE></SUP> + 9<SUP><SIZE=1>2</SIZE></SUP> = 15<SUP><SIZE=1>2</SIZE></SUP> + 5<SUP><SIZE=1>2</SIZE></SUP>
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