1578064

Appears in sequences

• Number of 10 X 10 arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to n.at n=5A156403
• Number of n X n arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to 5.at n=8A156438
• Cardinality of the set of equivalence classes of the set X_n of finite integer sequences {x_1 = 0, x_2, ..., x_n} satisfying |x_k - x_{k+1}| = 1, where two such sequences are deemed equivalent if they are permutations of each other.at n=28A254007