A seat array that includes a first and a second seat arranged with their backrests opposite one another, seats being able to move from a sitting position to a lying position, a portion of a dividing wall being arranged laterally with respect to the seats, the portion of dividing wall being provided in such a way as to leave an entry/exit passage, and thus access, to the seats, the entry/exit passage leading to a lane for reaching the first or the second seat, the dividing walls, on their respective end constituting the entry/exit passage provide, externally, a respective footrest, which is positioned in front of a respective third and fourth seats, which are arranged in an opposite direction with respect to the respective seat arranged on the opposite side of the same dividing wall.