Number of positive integers with n digits in which adjacent digits differ by at most 4.
A383199
Number of positive integers with n digits in which adjacent digits differ by at most 4.
Terms
- a(0) =9a(1) =65a(2) =475a(3) =3465a(4) =25282a(5) =184463a(6) =1345887a(7) =9819916a(8) =71648478a(9) =522764591a(10) =3814216651a(11) =27829445433a(12) =203050351876
External references
- oeis: A383199