733184domain: NAppears in sequencesThird column of A059450.at n=15A086866Number of (n+2) X (7+2) 0..3 arrays with every 3 X 3 subblock row and diagonal sum equal to 0 2 3 6 or 7 and every 3 X 3 column and antidiagonal sum not equal to 0 2 3 6 or 7.at n=10A252531Number of permutations of [n] avoiding {3412, 3421, 1324}.at n=14A294802