Number of (n+1)X(3+1) 0..2 arrays with every 2X2 subblock diagonal maximum minus antidiagonal maximum unequal to its neighbors horizontally, vertically, diagonally and antidiagonally.
A253309
Number of (n+1)X(3+1) 0..2 arrays with every 2X2 subblock diagonal maximum minus antidiagonal maximum unequal to its neighbors horizontally, vertically, diagonally and antidiagonally.
Terms
- a(0) =3550a(1) =10064a(2) =64560a(3) =266074a(4) =1547188a(5) =8858020a(6) =51974842a(7) =316785048a(8) =1889816848a(9) =11520937494a(10) =69228976028a(11) =420338522082
External references
- oeis: A253309