Number of base 20 n-digit numbers with adjacent digits differing by five or less.

A126541

Number of base 20 n-digit numbers with adjacent digits differing by five or less.

Terms

    a(0) =1a(1) =20a(2) =190a(3) =1870a(4) =18600a(5) =185922a(6) =1862204a(7) =18667904a(8) =187205534a(9) =1877615174a(10) =18833087302a(11) =188906865160

External references