Number of base 20 circular n-digit numbers with adjacent digits differing by 4 or less.
A125357
Number of base 20 circular n-digit numbers with adjacent digits differing by 4 or less.
Terms
- a(0) =1a(1) =20a(2) =160a(3) =1040a(4) =7880a(5) =60720a(6) =479296a(7) =3835544a(8) =31025864a(9) =253006376a(10) =2076361620a(11) =17126818652a(12) =141850168856
External references
- oeis: A125357