70651

Appears in sequences

• Number of n X 2 arrays of the minimum value of corresponding elements and their horizontal or vertical neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 n X 2 array.at n=30A219589
• Diagonal of the rational function 1/(1 - x - y - z - x y + x y z).at n=4A274673
• G.f. A(x) satisfies: A(x) = 1 + x + x^2 * A(x) / (1 - x) + x^2 * A(x)^2.at n=14A349014