Number of base 10 circular n-digit numbers with adjacent digits differing by 4 or less.

A125347

Number of base 10 circular n-digit numbers with adjacent digits differing by 4 or less.

Terms

    a(0) =1a(1) =10a(2) =70a(3) =430a(4) =2990a(5) =21210a(6) =152752a(7) =1107368a(8) =8054662a(9) =58680898a(10) =427841510a(11) =3120550894a(12) =22764484280a(13) =166081792328

External references