Number of nX4 0..1 arrays with every element equal to 0, 1, 2, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
A302816
Number of nX4 0..1 arrays with every element equal to 0, 1, 2, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =8a(1) =52a(2) =220a(3) =1494a(4) =9050a(5) =51476a(6) =317216a(7) =1927184a(8) =11448173a(9) =69437015a(10) =420077495a(11) =2524870148a(12) =15256502166a(13) =92149840338a(14) =555558632280
External references
- oeis: A302816