118974

Appears in sequences

• Convolution of L(n+1) := A000204(n+1) (Lucas), n>=0, with L(n+6), n>=0.at n=12A067984
• Number of edges formed by sides and straight "chords" in a right triangle when each side is divided by vertices into n equal segments.at n=13A274586
• Table read by rows: T(n, k) is the number of permutations of size n whose incidence graph has treewidth k.at n=32A368500