Number of positive integers with n digits in which adjacent digits differ by at most 3.
A383198
Number of positive integers with n digits in which adjacent digits differ by at most 3.
Terms
- a(0) =9a(1) =54a(2) =328a(3) =2000a(4) =12202a(5) =74458a(6) =454366a(7) =2772710a(8) =16920138a(9) =103253214a(10) =630091042a(11) =3845059318a(12) =23464039746a(13) =143186649814a(14) =873780342786
External references
- oeis: A383198