Numbers k such that the sum of the distinct prime divisors of the product of all legal permutations of the digits of k is equal to k-1.
A306406
Numbers k such that the sum of the distinct prime divisors of the product of all legal permutations of the digits of k is equal to k-1.
Terms
- a(0) =1a(1) =6a(2) =102a(3) =543a(4) =37008
External references
- oeis: A306406