28058

Appears in sequences

• Number of (n+4)X7 0..2 matrices with each 5X5 subblock idempotent.at n=4A224620
• Number of (n+4) X 9 0..2 matrices with each 5 X 5 subblock idempotent.at n=2A224622
• T(n,k)=Number of (n+4)X(k+4) 0..2 matrices with each 5X5 subblock idempotent.at n=23A224625
• T(n,k)=Number of (n+4)X(k+4) 0..2 matrices with each 5X5 subblock idempotent.at n=25A224625