Number of (n+1)X(2+1) 0..2 arrays with no element greater than all horizontal neighbors or less than all vertical neighbors.
A238317
Number of (n+1)X(2+1) 0..2 arrays with no element greater than all horizontal neighbors or less than all vertical neighbors.
Terms
- a(0) =9a(1) =67a(2) =376a(3) =1867a(4) =9489a(5) =50232a(6) =267174a(7) =1408341a(8) =7395987a(9) =38886701a(10) =204722786a(11) =1077853232a(12) =5673085286a(13) =29856142160a(14) =157133586571a(15) =827031030519
External references
- oeis: A238317