Number of base 15 circular n-digit numbers with adjacent digits differing by 2 or less.
A124893
Number of base 15 circular n-digit numbers with adjacent digits differing by 2 or less.
Terms
- a(0) =1a(1) =15a(2) =69a(3) =255a(4) =1097a(5) =4765a(6) =21237a(7) =95873a(8) =437537a(9) =2012997a(10) =9321899a(11) =43397633a(12) =202926209a(13) =952396005a(14) =4484003747a(15) =21168581905a(16) =100170213121a(17) =474981809053
External references
- oeis: A124893