Number of (n+1)X(4+1) 0..2 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 2.
A233640
Number of (n+1)X(4+1) 0..2 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 2.
Terms
- a(0) =1188a(1) =17424a(2) =238570a(3) =3455622a(4) =48384788a(5) =694104494a(6) =9797170648a(7) =139850230232
External references
- oeis: A233640