a(n) is the number of n-digit nonnegative integers with the median of the digits equal to the digital root.
A378836
a(n) is the number of n-digit nonnegative integers with the median of the digits equal to the digital root.
Terms
- a(0) =10a(1) =1a(2) =131a(3) =474a(4) =10233a(5) =50844a(6) =1001250a(7) =5225775a(8) =99980565a(9) =536333508a(10) =9998984322a(11) =55188464010a(12) =999994914558
External references
- oeis: A378836