Number of (7+1) X (n+1) 0..1 arrays with every 2 X 2 subblock ne-sw antidiagonal difference nondecreasing horizontally and nw+se diagonal sum nondecreasing vertically.

A258560

Number of (7+1) X (n+1) 0..1 arrays with every 2 X 2 subblock ne-sw antidiagonal difference nondecreasing horizontally and nw+se diagonal sum nondecreasing vertically.

Terms

    a(0) =2008a(1) =4667a(2) =6348a(3) =9688a(4) =12940a(5) =16942a(6) =21653a(7) =26628a(8) =31806a(9) =37351a(10) =43158a(11) =49004a(12) =54998a(13) =61394a(14) =68087a(15) =74854a(16) =81804a(17) =89191a(18) =96910a(19) =104738a(20) =112784a(21) =121302a(22) =130187a(23) =139216a(24) =148498a(25) =158287a(26) =168478a(27) =178848a(28) =189506a(29) =200706

External references