A124898 Number of base 17 circular n-digit numbers with adjacent digits differing by 2 or less.

1, 17, 79, 293, 1267, 5527, 24739, 112143, 513867, 2373647, 11035789, 51580623, 242148559, 1141014203, 5393615257, 25565881003, 121473190683, 578379092367, 2758998721111, 13182804752499, 63081972236317, 302258226703131

Offset: 0

Author

R. H. Hardin, Dec 28 2006

Keywords

• nonn
• base

Comments

[Empirical] a(base,n)=a(base-1,n)+A005191(n+1) for base>=2.int(n/2)+1.

See A285280 for confirmation of linear recurrence and code to produce sequence. - Ray Chandler, Aug 12 2023.

Links

• Ray Chandler, Table of n, a(n) for n = 0..99
• OEIS Wiki, Number of base k circular n-digit numbers with adjacent digits differing by d or less
• Index entries for linear recurrences with constant coefficients, signature (17, -105, 245, 104, -1274, 912, 2310, -2361, -2039, 2218, 918, -920, -194, 156, 16, -8).

Crossrefs

Cf. Row 17 of A285280.