1162525

Appears in sequences

• Consider the family of multigraphs enriched by the species of ternary sets. Sequence gives number of those multigraphs with 3n edges.at n=4A099680
• Triangle read by rows: numerator of h(n-k)*h(k)/h(n) where h(x) = zeta(2*x)*(4^x-2), 0<=k<=n.at n=22A246051
• Triangle read by rows: numerator of h(n-k)*h(k)/h(n) where h(x) = zeta(2*x)*(4^x-2), 0<=k<=n.at n=26A246051