Intersection of A266005 and A274222.
A274223
Intersection of A266005 and A274222.
Terms
- a(0) =1a(1) =2a(2) =12a(3) =32400a(4) =71280a(5) =5864400a(6) =34574400a(7) =203332046400
External references
- oeis: A274223
A274223
Intersection of A266005 and A274222.