Number of 6Xn 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 1 and 0 1 1 vertically.

A207371

Number of 6Xn 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 1 and 0 1 1 vertically.

Terms

    a(0) =16a(1) =256a(2) =784a(3) =3844a(4) =14884a(5) =42849a(6) =142884a(7) =393129a(8) =1067089a(9) =2839225a(10) =7059649a(11) =17489124a(12) =41847961a(13) =97970404a(14) =226171521a(15) =511302544a(16) =1141764100a(17) =2515122801a(18) =5472448576a(19) =11789182084a(20) =25139688025a(21) =53146847296a(22) =111453819409

External references