233265

Appears in sequences

• Number of ways to tile an n X n board having a black border with the following 1 X 1 tiles: bbbb, bbww, wbbw, bwwb, wwbb, where the colors are read clockwise around each tile.at n=6A086832
• Number of ways to reciprocally link elements of an nX7 array either to themselves or to exactly two horizontal and vertical neighbors, without consecutive collinear links.at n=6A220613