87466

Appears in sequences

• Number of trivalent maps with n nodes.at n=8A005027
• Multiplicity of highest weight (or singular) vectors associated with character chi_114 of Monster module.at n=44A034502
• a(n)=B(2n,4)/B(2n) (see comment).at n=4A096047
• Number of line segments connecting exactly 4 points in an n x n grid of points.at n=39A177720