Number of 7Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1 neighboring 1.
A297400
Number of 7Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1 neighboring 1.
Terms
- a(0) =1a(1) =178a(2) =963a(3) =3924a(4) =74736a(5) =640562a(6) =4279111a(7) =46261441a(8) =428200086a(9) =3465586864a(10) =32328050104a(11) =296748190460
External references
- oeis: A297400