51405

Appears in sequences

• Smallest odd number k such that p(2m)-2p(m)=k has exactly n solutions (where p(m) = m-th prime).at n=19A069890
• Numerator of Euler(n, 3/26).at n=4A157038
• Number of ways to tile a 2 X n grid with dominoes and L-trominoes such that no four tiles meet at a corner.at n=15A329185
• Number of labeled loop-graphs with n vertices and at most as many edges as covered vertices.at n=6A369196