7941968

Appears in sequences

• Number of (3+1)X(n+1) 0..2 arrays with no element unequal to a strict majority of its horizontal and antidiagonal neighbors, with values 0..2 introduced in row major order.at n=9A231265
• a(n) = (n!)^3 * Sum_{k=1..n-1} 1/(k*(n-k))^3.at n=6A304589