200082

Appears in sequences

• Number of binary n X n matrices with no zero rows or columns, up to row and column permutation.at n=5A054976
• Number of 6 X n binary matrices with no zero rows or columns, up to row and column permutation.at n=5A055084
• Triangular array giving number of bipartite graphs with n vertices, no isolated vertices and a distinguished bipartite block with k=1..n-1 vertices, up to isomorphism.at n=60A056152
• Number of nX2 0..3 arrays with no more than floor(nX2/2) elements equal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..3 order.at n=5A222825
• T(n,k)=Number of nXk 0..3 arrays with no more than floor(nXk/2) elements equal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..3 order.at n=22A222828
• T(n,k)=Number of nXk 0..3 arrays with no more than floor(nXk/2) elements equal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..3 order.at n=26A222828