515930

Appears in sequences

• Number of 2 X n arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..3 2 X n array.at n=36A220045
• a(n) = [x^n] Product_{k>=2} (1 + x^k)^n.at n=14A319671