Diff — 9
Revision #699 → #976 · back to history
addedDefinition of 900c476f9898e
added9 as composite, square, Motzkin, derangement countdc3b2c697a4e
addedDivisibility rule for 90ba06a34b72d
added9 as sum of two consecutive positive cubesc8e31679ab4e
addedOdd perfect number prime factor bound9b7b43483f8a
added9 as first cube-sum number greater than oned0fe96bff7e0
addedSum of three cubes obstruction mod 9c7cab791ebb9
addedNine Heegner numbers04f9338595cc
added9 largest single-digit decimal number31be23c46220
addedNine dots puzzlefb54113157f9
addedConstructibility of the regular nonagon7335a5489b15
addedMinimum squares for perfect rectangle tilinga89afba13fb9