54587280

Appears in sequences

• Number of bond-rooted polyenoids with n edges.at n=15A000913
• Number of dissections of a polygon.at n=14A003444
• Number of triangulated (n+2)-gons rooted at an exterior edge.at n=15A006078
• Number of distinct perforation patterns for deriving (v,b) = (n+4,n) punctured convolutional codes from (2,1).at n=12A007225
• a(n) = T(2*n+4, n), array T as in A051168 (a count of Lyndon words).at n=15A050182
• Number of nonequivalent dissections of an n-gon into n-3 polygons by nonintersecting diagonals up to rotation.at n=15A220881