Number of base 30 circular n-digit numbers with adjacent digits differing by 2 or less.

A124958

Number of base 30 circular n-digit numbers with adjacent digits differing by 2 or less.

Terms

    a(0) =1a(1) =30a(2) =144a(3) =540a(4) =2372a(5) =10480a(6) =47502a(7) =217898a(8) =1010012a(9) =4717872a(10) =22176074a(11) =104770058a(12) =497093834a(13) =2367032490a(14) =11306090072a(15) =54148325140a(16) =259942544940

External references