Number of nX5 0..1 arrays with every element unequal to 0, 1, 3, 5 or 7 king-move adjacent elements, with upper left element zero.

A304928

Number of nX5 0..1 arrays with every element unequal to 0, 1, 3, 5 or 7 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =8a(1) =53a(2) =54a(3) =173a(4) =452a(5) =1034a(6) =2265a(7) =5306a(8) =12135a(9) =28127a(10) =66067a(11) =153211a(12) =354736a(13) =824768a(14) =1914999a(15) =4443576a(16) =10323903a(17) =23978120a(18) =55672201a(19) =129295766a(20) =300273962a(21) =697273340a(22) =1619276716a(23) =3760493158a(24) =8732808930a(25) =20280042854a(26) =47096264941

External references