Number of (n+2) X (4+2) 0..1 arrays with every 2 X 2 and 3 X 3 subblock diagonal maximum minus antidiagonal minimum nondecreasing horizontally and vertically.

A253506

Number of (n+2) X (4+2) 0..1 arrays with every 2 X 2 and 3 X 3 subblock diagonal maximum minus antidiagonal minimum nondecreasing horizontally and vertically.

Terms

    a(0) =636a(1) =1196a(2) =2088a(3) =3400a(4) =5136a(5) =7396a(6) =10236a(7) =13748a(8) =18024a(9) =23168a(10) =29292a(11) =36516a(12) =44968a(13) =54784a(14) =66108a(15) =79092a(16) =93896a(17) =110688a(18) =129644a(19) =150948a(20) =174792a(21) =201376a(22) =230908a(23) =263604a(24) =299688a(25) =339392a(26) =382956a(27) =430628a(28) =482664a(29) =539328

External references