2098720

Appears in sequences

• Number of distinct n X 2 toroidal 0..7 arrays.at n=3A184292
• Table read by antidiagonals: T(n,k) = number of distinct n X k toroidal 0..7 arrays.at n=11A184294
• Table read by antidiagonals: T(n,k) = number of distinct n X k toroidal 0..7 arrays.at n=13A184294
• Table read by downward antidiagonals: T(n,k) is the number of tilings of the n X k cylinder up to vertical reflections by two tiles that are each fixed under vertical reflection.at n=39A368260
• Table read by downward antidiagonals: T(n,k) is the number of tilings of the n X k cylinder up to vertical reflection by an asymmetric tile.at n=39A368261