Number of base 15 circular n-digit numbers with adjacent digits differing by 3 or less.

A125325

Number of base 15 circular n-digit numbers with adjacent digits differing by 3 or less.

Terms

    a(0) =1a(1) =15a(2) =93a(3) =471a(4) =2773a(5) =16585a(6) =101649a(7) =631513a(8) =3965717a(9) =25103901a(10) =159916563a(11) =1023792939a(12) =6580680769a(13) =42436151201a(14) =274373773501

External references