Number of base 21 circular n-digit numbers with adjacent digits differing by 6 or less.
A125409
Number of base 21 circular n-digit numbers with adjacent digits differing by 6 or less.
Terms
- a(0) =1a(1) =21a(2) =231a(3) =2121a(4) =22547a(5) =244601a(6) =2714271a(7) =30517333a(8) =346395491a(9) =3958011609a(10) =45437784111a(11) =523343937005
External references
- oeis: A125409