418896

Appears in sequences

• Number of unordered pairs of partitions of n (into distinct parts) with empty intersection.at n=45A108796
• Nonisomorphic catacondensed monoheptafusenes (see reference for precise definition).at n=10A121070
• Number of n X 5 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 1 1 0 vertically.at n=11A208284