Number of (n+1) X (3+1) 0..1 arrays with every 2 X 2 subblock antidiagonal maximum minus diagonal minimum nondecreasing horizontally and diagonal maximum minus antidiagonal minimum nondecreasing vertically.
A253392
Number of (n+1) X (3+1) 0..1 arrays with every 2 X 2 subblock antidiagonal maximum minus diagonal minimum nondecreasing horizontally and diagonal maximum minus antidiagonal minimum nondecreasing vertically.
Terms
- a(0) =96a(1) =143a(2) =174a(3) =246a(4) =316a(5) =419a(6) =520a(7) =651a(8) =780a(9) =939a(10) =1096a(11) =1283a(12) =1468a(13) =1683a(14) =1896a(15) =2139a(16) =2380a(17) =2651a(18) =2920a(19) =3219a(20) =3516a(21) =3843a(22) =4168a(23) =4523a(24) =4876a(25) =5259a(26) =5640a(27) =6051a(28) =6460a(29) =6899
External references
- oeis: A253392