Number of 7 X n 0..1 arrays with every element equal to 1, 2 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
A302284
Number of 7 X n 0..1 arrays with every element equal to 1, 2 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =421a(2) =3401a(3) =3316a(4) =14639a(5) =69601a(6) =384916a(7) =1354563a(8) =4386347a(9) =20677591a(10) =97720565a(11) =380885387a(12) =1475260386a(13) =6221755468a(14) =27340927933a(15) =112702562636a(16) =453867039251
External references
- oeis: A302284