Number of (3+1)X(n+1) 0..2 arrays with every 2X2 subblock diagonal maximum minus antidiagonal maximum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
A254424
Number of (3+1)X(n+1) 0..2 arrays with every 2X2 subblock diagonal maximum minus antidiagonal maximum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
Terms
- a(0) =2180a(1) =26783a(2) =423141a(3) =6880359a(4) =109896298a(5) =1753478415a(6) =27927013232a(7) =445084441966
External references
- oeis: A254424