1209492

Appears in sequences

• Number of nX4 arrays of the minimum value of corresponding elements and their horizontal, vertical or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..3 nX4 array.at n=6A220006
• Number of 7Xn arrays of the minimum value of corresponding elements and their horizontal, vertical or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..3 7Xn array.at n=3A220016
• G.f. satisfies A(x) = 1 + x * A(x)^2 * (1 + A(x) + A(x)^2).at n=6A371657