109188

Appears in sequences

• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 1, -1), (0, 0, 1), (1, 0, -1)}.at n=14A148000
• Number of n X 4 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 0 1 and 1 1 1 vertically.at n=11A207678
• Number of chiral pairs of asymmetric polyominoes with n heptagonal cells of the hyperbolic regular tiling with Schläfli symbol {7,oo}.at n=4A389564