A125325 Number of base 15 circular n-digit numbers with adjacent digits differing by 3 or less.

1, 15, 93, 471, 2773, 16585, 101649, 631513, 3965717, 25103901, 159916563, 1023792939, 6580680769, 42436151201, 274373773501, 1777776831901, 11538964492821, 75001583213817, 488059829837697, 3178929941530215

Offset: 0

Author

R. H. Hardin, Dec 28 2006

Keywords

• nonn
• base

Comments

[Empirical] a(base,n)=a(base-1,n)+A025012(n+1) for base>=3.int(n/2)+1

Links

• OEIS Wiki, Number of base k circular n-digit numbers with adjacent digits differing by d or less