77297

Appears in sequences

• a(n) = number of (s(0),s(1),...,s(n)) such that every s(i) is a nonnegative integer, s(0) = 1, s(n) = 4, |s(1) - s(0)| = 1, |s(i) - s(i-1)| <= 1 for i >= 2. Also a(n) = T(n,n-3), where T is the array in A026120.at n=10A026125
• Number of ordered unlabeled rooted trees with n nodes such that the minimal outdegree of inner nodes equals 7.at n=26A244536
• Records in A361321.at n=36A361325