Maximum number of (distinct) primes that an n-digit number may shelter (i.e., primes contained among all digital substrings' permutations).

A076730

Maximum number of (distinct) primes that an n-digit number may shelter (i.e., primes contained among all digital substrings' permutations).

Terms

    a(0) =1a(1) =4a(2) =11a(3) =31a(4) =106a(5) =402a(6) =1953a(7) =10542a(8) =64905a(9) =362451a(10) =2970505

External references