79918

Appears in sequences

• Number of nX4 0..1 arrays with rows and columns lexicographically nondecreasing and every element equal to at least one horizontal or vertical neighbor.at n=8A201349
• Number of (n+4)X5 0..2 matrices with each 5X5 subblock idempotent.at n=7A224618
• T(n,k)=Number of (n+4)X(k+4) 0..2 matrices with each 5X5 subblock idempotent.at n=28A224625
• T(n,k)=Number of (n+4)X(k+4) 0..2 matrices with each 5X5 subblock idempotent.at n=35A224625