Number of inefficient arrangements in A373182, where inefficient means that the maximum number of persons that a seating arrangement can hold is not achieved.

A373829

Number of inefficient arrangements in A373182, where inefficient means that the maximum number of persons that a seating arrangement can hold is not achieved.

Terms

    a(0) =0a(1) =0a(2) =1a(3) =0a(4) =6a(5) =2a(6) =36a(7) =24a(8) =246a(9) =240a(10) =1920a(11) =2424a(12) =16920a(13) =25920a(14) =166440a(15) =297360a(16) =1809360a(17) =3669840a(18) =21551040a(19) =48666240a(20) =279180720a(21) =691649280a(22) =3908580480a(23) =10501787520a(24) =58813776000a(25) =169809696000a(26) =946627274880

External references