57396

Appears in sequences

• From fundamental unit of Z[ (-n)^{1/4} ].at n=28A006829
• Number of B-diagrams G such that the number of vertices of G is |G|=n.at n=5A266093
• a(n) = Sum_{k=1..n} (-1)^(k+1) * floor(n/(2*k-1))^3.at n=38A350163