Number of nX4 0..1 arrays with every element equal to 0, 1, 2 or 3 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
A300468
Number of nX4 0..1 arrays with every element equal to 0, 1, 2 or 3 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =8a(1) =108a(2) =925a(3) =8608a(4) =80914a(5) =759100a(6) =7121067a(7) =66808673a(8) =626787854a(9) =5880428484a(10) =55169285001a(11) =517589818216
External references
- oeis: A300468