Number of base 18 circular n-digit numbers with adjacent digits differing by 2 or less.
A124935
Number of base 18 circular n-digit numbers with adjacent digits differing by 2 or less.
Terms
- a(0) =1a(1) =18a(2) =84a(3) =312a(4) =1352a(5) =5908a(6) =26490a(7) =120278a(8) =552032a(9) =2553972a(10) =11892734a(11) =55672118a(12) =261759734a(13) =1235323302a(14) =5848421012a(15) =27764530552a(16) =132124679472a(17) =630077734772
External references
- oeis: A124935