547244

Appears in sequences

• Number of ways to place zero or more nonadjacent 0,0 1,0 1,1 2,1 3,1 3,2 4,1 4,3 polyhexes in any orientation on a planar nXnXn triangular grid.at n=10A155369
• Number of (n+2)X(1+2) 0..3 arrays with every 3X3 subblock row and column sum not 2 4 5 or 7 and every diagonal and antidiagonal sum 2 4 5 or 7.at n=11A251869