249765423

Appears in sequences

• Number of n X n binary arrays with all ones connected in a 3X2 elbow 1,1 1,2 1,3 2,3 in any orientation.at n=7A145943
• Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected in a 3X2 elbow 1,1 1,2 1,3 2,3 in any orientation.at n=16A145945
• Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected in a 3X2 elbow 1,1 1,2 1,3 2,3 in any orientation.at n=17A145945