Number of (n+1)X(2+1) 0..2 arrays with every element both >= and <= some horizontal, vertical, diagonal or antidiagonal neighbor.
A232346
Number of (n+1)X(2+1) 0..2 arrays with every element both >= and <= some horizontal, vertical, diagonal or antidiagonal neighbor.
Terms
- a(0) =207a(1) =5309a(2) =111607a(3) =2435979a(4) =53921761a(5) =1191667231a(6) =26307585827a(7) =580823169565
External references
- oeis: A232346