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

A253505

Number of (n+2) X (3+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) =428a(1) =784a(2) =1332a(3) =2088a(4) =3052a(5) =4248a(6) =5692a(7) =7404a(8) =9404a(9) =11712a(10) =14348a(11) =17332a(12) =20684a(13) =24424a(14) =28572a(15) =33148a(16) =38172a(17) =43664a(18) =49644a(19) =56132a(20) =63148a(21) =70712a(22) =78844a(23) =87564a(24) =96892a(25) =106848a(26) =117452a(27) =128724a(28) =140684a(29) =153352

External references