263136

Appears in sequences

• Numbers of Twopins positions.at n=23A005683
• Number of incongruent ways to tile a 5 X 2n room with 1x2 Tatami mats. At most 3 Tatami mats may meet at a point.at n=49A068930
• Number of nX3 0..1 arrays with every element equal to 0, 2, 3, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.at n=9A303079