827265

Appears in sequences

• Number of ways to place zero or more nonadjacent 1,1 2,0 2,1 3,2 3,3 4,4 polyhexes in any orientation on a planar nXnXn triangular grid.at n=8A155305
• Number of length 5+4 0..n arrays with every five consecutive terms having four times some element equal to the sum of the remaining four.at n=15A249661