755432

Appears in sequences

• Number of strong single-component edge-subgraphs in Moebius ladder M_n.at n=6A020870
• a(n) = a(n-1)+a(n-2)+a(n-3)+4*n-8 with a(0)=0, a(1)=0 and a(2)=1.at n=21A180668