Number of base 9 circular n-digit numbers with adjacent digits differing by 3 or less.
A125319
Number of base 9 circular n-digit numbers with adjacent digits differing by 3 or less.
Terms
- a(0) =1a(1) =9a(2) =51a(3) =249a(4) =1387a(5) =7879a(6) =45663a(7) =267367a(8) =1575395a(9) =9316455a(10) =55211811a(11) =327600447a(12) =1945195699a(13) =11554693471a(14) =68652279747a(15) =407952680479
External references
- oeis: A125319