Number of 5Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1 neighboring 1.
A297398
Number of 5Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1 neighboring 1.
Terms
- a(0) =1a(1) =41a(2) =139a(3) =385a(4) =3175a(5) =14940a(6) =58901a(7) =325922a(8) =1616869a(9) =7303419a(10) =36440971a(11) =179690470a(12) =852213260a(13) =4150469302a(14) =20279868193a(15) =97720833639a(16) =473767953000
External references
- oeis: A297398