70528

Appears in sequences

• Number of 3-rowed binary matrices with n ones and no zero columns, up to row and column permutation.at n=38A058053
• Number of graphs with n nodes that are chordal and do not have a bowtie as a subgraph.at n=12A243797
• a(n) = Sum_{k=0..floor(n/2)} 2^(n-k) * binomial(k,n-2*k)^2.at n=14A387483