Number of nX4 0..1 arrays with every element equal to 1, 2, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero.
A299224
Number of nX4 0..1 arrays with every element equal to 1, 2, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =2a(1) =61a(2) =628a(3) =5663a(4) =51862a(5) =486305a(6) =4532025a(7) =42210111a(8) =393354513a(9) =3665540260a(10) =34156287528a(11) =318279356683
External references
- oeis: A299224