Number of (n+2) X (1+2) 0..1 arrays with every 3 X 3 subblock diagonal maximum minus antidiagonal minimum nonincreasing horizontally and nondecreasing vertically.
A253537
Number of (n+2) X (1+2) 0..1 arrays with every 3 X 3 subblock diagonal maximum minus antidiagonal minimum nonincreasing horizontally and nondecreasing vertically.
Terms
- a(0) =512a(1) =3328a(2) =20480a(3) =119040a(4) =679936a(5) =3825920a(6) =21426176a(7) =119525632a(8) =665944064a(9) =3706601728a(10) =20624052224a(11) =114725138688a(12) =638126694400
External references
- oeis: A253537