Number of (n+1)X(2+1) 0..2 arrays with every 2X2 subblock diagonal maximum minus antidiagonal maximum unequal to its neighbors horizontally, vertically, diagonally and antidiagonally.
A253308
Number of (n+1)X(2+1) 0..2 arrays with every 2X2 subblock diagonal maximum minus antidiagonal maximum unequal to its neighbors horizontally, vertically, diagonally and antidiagonally.
Terms
- a(0) =518a(1) =1752a(2) =10064a(3) =43220a(4) =214676a(5) =1053094a(6) =5067576a(7) =24964956a(8) =121517288a(9) =593800326a(10) =2903842640a(11) =14172587110a(12) =69281505992a(13) =338377607732
External references
- oeis: A253308