Number of base 7 circular n-digit numbers with adjacent digits differing by 2 or less.
A124828
Number of base 7 circular n-digit numbers with adjacent digits differing by 2 or less.
Terms
- a(0) =1a(1) =7a(2) =29a(3) =103a(4) =417a(5) =1717a(6) =7229a(7) =30793a(8) =132225a(9) =570649a(10) =2470769a(11) =10719793a(12) =46569777a(13) =202477633a(14) =880792193a(15) =3832748833a(16) =16681516545a(17) =72613292353a(18) =316105114817
External references
- oeis: A124828