107135

Appears in sequences

• Number of n-edge 3-connected planar maps with a sense-reversing automorphism.at n=25A006445
• a(n) = n*(5*n^2 - 3)/2.at n=35A063522
• A bisection of A063522.at n=17A160674
• Number of integer compositions of n matching both of the dashed patterns 23-1 and 1-32.at n=20A375297