43604

Appears in sequences

• Convolution of Jacobsthal(n) and 3^n.at n=10A094705
• Number of ways to place zero or more nonadjacent 0,0 1,0 2,0 3,0 4,1 5,2 polyhexes in any orientation on a planar nXnXn triangular grid.at n=6A155283
• Number of nXn 0..1 arrays with every element unequal to 1, 2, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.at n=5A316642
• Number of nX6 0..1 arrays with every element unequal to 1, 2, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.at n=5A316646