65346

Appears in sequences

• Number of pairings on a bracelet; number of chord diagrams that can be turned over and having n chords.at n=8A054499
• Decimal representation of the diagonal from the corner to the origin of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 485", based on the 5-celled von Neumann neighborhood.at n=15A288594
• Triangle read by rows: The number of chord diagrams on 2n vertices with m marked chords.at n=36A322176
• Triangle read by rows: The number of chord diagrams on 2n vertices with m marked chords.at n=44A322176
• Triangle T(n,k) read by rows: number of chord diagrams with k isolated bracelets and a total of n chords.at n=28A371305
• Triangle read by rows: T(n,k) is the number of unsensed combinatorial maps with n edges and k vertices, 1 <= k <= n + 1.at n=36A380616