EntityQ17099544· pop 17· linked from 14 articlesPascal's ruleSign in to savecombinatorial identity about binomial coefficientsConnectionsmathematicsEntityBlaise PascalEntityInternational Standard Book NumberEntitynatural numberEntityintegerEntitysetEntitycombinatoricsEntitysubsetEntityPascal's triangleEntityPascal's lawEntitybinomial coefficientEntityidentityEntityrecurrence relationEntityPlanetMathEntitymultinomial theoremEntitypolynomial expansionEntityhockey-stick identityEntityCategoriesAlgebraic identitiesCombinatorics