199945

Appears in sequences

• Number of planar n X n X n binary triangular grids symmetric under 120 degree rotation with no more than 1 one in any 5 X 5 X 5 subtriangle.at n=25A153905
• Number of (n+1)X(2+1) 0..3 arrays with no element unequal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with values 0..3 introduced in row major order.at n=9A231357