Number of base 9 n-digit numbers with adjacent digits differing by five or less.
A126530
Number of base 9 n-digit numbers with adjacent digits differing by five or less.
Terms
- a(0) =1a(1) =9a(2) =69a(3) =541a(4) =4231a(5) =33101a(6) =258953a(7) =2025831a(8) =15848391a(9) =123984439a(10) =969949627a(11) =7588067405a(12) =59362636295a(13) =464403174075
External references
- oeis: A126530