644220

Appears in sequences

• Number of 9 X 9 arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to n.at n=8A156399
• Number of n X n arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to 8.at n=7A156446
• Number of nX3 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 columns, 0..2 nX3 array.at n=10A219376