EntityQ378067· pop 16· linked from 227 articlesKeith numberSign in to saveinteger that appears as a term in a linear recurrence relation with initial terms based on its own digitsConnectionsprime numberEntityFibonacci sequenceEntityfigurate numberEntityautomorphic numberEntityPythonEntitynatural numberEntityQ38582Entity19EntitydigitEntitybinary numeral systemEntityexponentiationEntity28EntitydecimalEntitynumeral systemEntity47Entity75Entity61Entitythree-dimensional spaceEntitynatural languageEntityperfect numberEntityCategoriesArithmetic dynamicsBase-dependent integer sequencesFibonacci numbersRecurrence relations