102089

Appears in sequences

• Number of 5 X n binary matrices with no zero rows or columns, up to row and column permutation.at n=6A055083
• 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=59A056152
• 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=61A056152