Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal minimum nondecreasing horizontally and vertically.
A254238
Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal minimum nondecreasing horizontally and vertically.
Terms
- a(0) =41140a(1) =167637a(2) =970333a(3) =5606832a(4) =21582041a(5) =80104299a(6) =277964612a(7) =863193207a(8) =2642194905a(9) =7927642723a(10) =23138956240a(11) =66674563382a(12) =190259311816a(13) =537311258526
External references
- oeis: A254238