Number of nX4 0..1 arrays with each 1 adjacent to 1, 3 or 5 king-move neighboring 1s.
A296948
Number of nX4 0..1 arrays with each 1 adjacent to 1, 3 or 5 king-move neighboring 1s.
Terms
- a(0) =4a(1) =36a(2) =135a(3) =620a(4) =3637a(5) =17450a(6) =86139a(7) =451210a(8) =2267574a(9) =11420744a(10) =58323254a(11) =295406628a(12) =1495704814a(13) =7596893701a(14) =38524719319a(15) =195316135549a(16) =990921152875
External references
- oeis: A296948