List of distinct greatest common divisors of { k! and k! - (k-1)! + (k-2)! - ... + (-1)^k*0!, k = 0 .. n}.
A064493
List of distinct greatest common divisors of { k! and k! - (k-1)! + (k-2)! - ... + (-1)^k*0!, k = 0 .. n}.
Terms
- a(0) =1a(1) =2a(2) =4a(3) =20a(4) =260a(5) =9620a(6) =4454060
External references
- oeis: A064493