a(n) is the number of n-digit nonnegative integers with the mean of the digits equal to the digital root.
A378838
a(n) is the number of n-digit nonnegative integers with the mean of the digits equal to the digital root.
Terms
- a(0) =10a(1) =1a(2) =1a(3) =748a(4) =1a(5) =1a(6) =373327a(7) =1a(8) =1a(9) =900000000a(10) =1a(11) =1a(12) =118641180477a(13) =1a(14) =1a(16) =1a(17) =1a(19) =1a(20) =1a(22) =1a(23) =1a(25) =1a(26) =1a(28) =1a(29) =1a(31) =1a(32) =1a(34) =1a(35) =1
External references
- oeis: A378838