183491

Appears in sequences

• Number of n X n binary arrays with all 1's connected only in a 3 X 3 el 1,1 1,2 1,3 2,3 3,3 in any orientation.at n=7A146030
• Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a 3X3 el 1,1 1,2 1,3 2,3 3,3 in any orientation.at n=16A146032
• Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a 3X3 el 1,1 1,2 1,3 2,3 3,3 in any orientation.at n=17A146032
• Number of length n+4 0..4 arrays with every five consecutive terms having the maximum of some two terms equal to the minimum of the remaining three terms.at n=5A254694
• Number of length 6+4 0..n arrays with every five consecutive terms having the maximum of some two terms equal to the minimum of the remaining three terms.at n=3A254704