Number of nX4 0..1 arrays with every element equal to 0, 1, 2, 3, 4 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
A301403
Number of nX4 0..1 arrays with every element equal to 0, 1, 2, 3, 4 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =8a(1) =128a(2) =1988a(3) =31012a(4) =483600a(5) =7541492a(6) =117605364a(7) =1833990416a(8) =28600063044a(9) =446002115620
External references
- oeis: A301403