170392

Appears in sequences

• Number of permutations of floor(i*8/7), i=0..n-1, with all sums of two and three adjacent terms respectively unique.at n=9A147931
• Number of ordered trees with n edges such that non-leaf vertices at even (odd) level have an even (odd) number of children.at n=16A248097
• Row sums of the array A274193, defined by g(n,k) = 1 for n >= 0; g(n,k) = 0 if k > n; g(n,k) = g(n-1,k-1) + g(n-1,3k) for n > 0, k > 1.at n=43A274194