Number of (n+1) X (4+1) 0..2 arrays with every 2 X 2 subblock diagonal maximum minus antidiagonal maximum unequal to its neighbors horizontally, vertically, diagonally and antidiagonally.
A253310
Number of (n+1) X (4+1) 0..2 arrays with every 2 X 2 subblock diagonal maximum minus antidiagonal maximum unequal to its neighbors horizontally, vertically, diagonally and antidiagonally.
Terms
- a(0) =23524a(1) =43220a(2) =266074a(3) =516928a(4) =2643738a(5) =6728458a(6) =30117394a(7) =99695754a(8) =410717008a(9) =1591420928a(10) =6344648498a(11) =26357450662a(12) =104485597870a(13) =444408917696
External references
- oeis: A253310