Number of base 31 circular n-digit numbers with adjacent digits differing by 1 or less.

A124803

Number of base 31 circular n-digit numbers with adjacent digits differing by 1 or less.

Terms

    a(0) =1a(1) =31a(2) =91a(3) =211a(4) =567a(5) =1511a(6) =4147a(7) =11483a(8) =32143a(9) =90607a(10) =256971a(11) =732323a(12) =2095527a(13) =6016951a(14) =17327779a(15) =50028971a(16) =144768703a(17) =419747711a(18) =1219179643a(19) =3546768563a(20) =10332747607a(21) =30141046727a(22) =88025807059a(23) =257351710523a(24) =753131995951

External references