128620

Appears in sequences

• Number of (n+6)X7 0..1 matrices with each 7X7 subblock idempotent.at n=4A224581
• Number of (n+6)X11 0..1 matrices with each 7X7 subblock idempotent.at n=0A224585
• T(n,k)=Number of (n+6)X(k+6) 0..1 matrices with each 7X7 subblock idempotent.at n=10A224588
• T(n,k)=Number of (n+6)X(k+6) 0..1 matrices with each 7X7 subblock idempotent.at n=14A224588