Number of base 20 circular n-digit numbers with adjacent digits differing by 8 or less.

A125455

Number of base 20 circular n-digit numbers with adjacent digits differing by 8 or less.

Terms

    a(0) =1a(1) =20a(2) =268a(3) =3116a(4) =41308a(5) =559340a(6) =7702750a(7) =106934246a(8) =1491033780a(9) =20837241344a(10) =291544100378

External references