Number of strings of k+n decimal digits that contain one string of exactly k consecutive "0" digits, where k >= n.
A255381
Number of strings of k+n decimal digits that contain one string of exactly k consecutive "0" digits, where k >= n.
Terms
- a(0) =1a(1) =18a(2) =261a(3) =3420a(4) =42300a(5) =504000a(6) =5850000a(7) =66600000a(8) =747000000a(9) =8280000000a(10) =90900000000a(11) =990000000000
External references
- oeis: A255381