119785

Appears in sequences

• Number of binary arrays indicating the locations of trailing edge maxima of a random length-n 0..6 array extended with zeros and convolved with -1,2,-1.at n=21A222041
• Number of (n+2) X (2+2) 0..3 arrays with every 3 X 3 subblock row and diagonal sum equal to 0 2 4 6 or 7 and every 3 X 3 column and antidiagonal sum not equal to 0 2 4 6 or 7.at n=9A252427