74028

Appears in sequences

• Number of binary strings of length n with no substrings equal to 0101, 0110, or 1010.at n=20A164509
• Number of (n+1) X (6+1) 0..1 arrays with every 2 X 2 subblock diagonal minus antidiagonal sum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.at n=13A253433
• Number of (6+1) X (n+1) 0..1 arrays with every 2 X 2 subblock diagonal minus antidiagonal sum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.at n=13A253440