56769
domain: N
Appears in sequences
- a(n) = number of (s(0), s(1), ..., s(n)) such that every s(i) is an integer, s(0) = 0, |s(i) - s(i-1)| = 1 for i = 1,2,3; |s(i) - s(i-1)| <= 1 for i >= 4, s(n) = 1. Also a(n) = T(n,n-1), where T is the array defined in A026082.at n=9A026084
- Number of base 19 circular n-digit numbers with adjacent digits differing by 4 or less.at n=5A125356