Sum of all the n-digit numbers whose digits are all even and nonzero: 2,4,6,8.
A192370
Sum of all the n-digit numbers whose digits are all even and nonzero: 2,4,6,8.
Terms
- a(0) =20a(1) =880a(2) =35520a(3) =1422080a(4) =56888320a(5) =2275553280a(6) =91022213120
External references
- oeis: A192370