Number of base 20 circular n-digit numbers with adjacent digits differing by 3 or less.
A125330
Number of base 20 circular n-digit numbers with adjacent digits differing by 3 or less.
Terms
- a(0) =1a(1) =20a(2) =128a(3) =656a(4) =3928a(5) =23840a(6) =148304a(7) =934968a(8) =5958552a(9) =38285216a(10) =247607348a(11) =1609914524a(12) =10513615792a(13) =68913452056a(14) =453123210178
External references
- oeis: A125330