Number of (n+1)X(4+1) 0..1 arrays with no 2X2 subblock having its minimum diagonal element less than its minimum antidiagonal element.
A251096
Number of (n+1)X(4+1) 0..1 arrays with no 2X2 subblock having its minimum diagonal element less than its minimum antidiagonal element.
Terms
- a(0) =406a(1) =5817a(2) =82814a(3) =1175519a(4) =16697127a(5) =237288487a(6) =3372537762a(7) =47933018061a(8) =681254534234
External references
- oeis: A251096