449216

Appears in sequences

• Number of permutations of floor(i*7/2), i=0..n-1, with all sums of two and three adjacent terms respectively unique.at n=9A147894
• Number of positions of the 8 X 2 variant of the 15-puzzle at a distance of n multi-tile moves from an initial state with the empty square in one of the corners.at n=13A389729