204289

Appears in sequences

• Number of (n+5)X7 0..2 matrices with each 6X6 subblock idempotent.at n=6A224630
• Number of (n+5)X12 0..2 matrices with each 6X6 subblock idempotent.at n=1A224635
• T(n,k)=Number of (n+5)X(k+5) 0..2 matrices with each 6X6 subblock idempotent.at n=29A224636