131269domain: NAppears in sequencesNumber of nX4 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 1 1 and 1 0 1 vertically.at n=8A207758Number of distinct board states reachable in n jumps in European Peg Solitaire.at n=30A355295Number of partitions of the vertices of the n-ladder graph into dominating sets.at n=10A391826