332475

Appears in sequences

• Number of bipartite graphs with 4 edges on nodes {1..n}.at n=11A053527
• a(n) = (15*n^2+45*n-70)*binomial(n+4,6)/8.at n=9A144516
• Bras-Amorós number f_n for numerical semigroups of genus n.at n=12A210581