1403872

Appears in sequences

• Number of (n+1)X(4+1) 0..2 arrays with the difference of the upper median and minimum value of each 2X2 subblock in lexicographically nondecreasing order columnwise and nonincreasing rowwise.at n=1A235831
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the difference of the upper median and minimum value of each 2X2 subblock in lexicographically nondecreasing order columnwise and nonincreasing rowwise.at n=11A235833
• Number of (2+1)X(n+1) 0..2 arrays with the difference of the upper median and minimum value of each 2X2 subblock in lexicographically nondecreasing order columnwise and nonincreasing rowwise.at n=3A235834
• G.f. satisfies A(x) = 1 + 2*x*A(x) + 2*x^4*A(x)^4.at n=13A367115