Number of base 10 n-digit numbers with adjacent digits differing by four or less.
A126505
Number of base 10 n-digit numbers with adjacent digits differing by four or less.
Terms
- a(0) =1a(1) =10a(2) =70a(3) =510a(4) =3720a(5) =27142a(6) =198034a(7) =1444904a(8) =10542368a(9) =76919662a(10) =561224422a(11) =4094828862a(12) =29876859864a(13) =217988781808
External references
- oeis: A126505