2391340

Appears in sequences

• Number of (n+1)X(2+1) 0..3 arrays with no element greater than all horizontal neighbors or equal to all vertical neighbors.at n=4A238924
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with no element greater than all horizontal neighbors or equal to all vertical neighbors.at n=19A238929
• Number of (5+1)X(n+1) 0..3 arrays with no element greater than all horizontal neighbors or equal to all vertical neighbors.at n=1A238934
• G.f. A(x) satisfies A(x) = 1 + x*A(x)^3 - x^2*A(x)^5.at n=13A367027