16112057

Appears in sequences

• Triangulations of the disk G_{n,0}.at n=11A002709
• a(n) = binomial(12*n-1,3*n-1)/((6*n-1)*(12*n-1)).at n=3A055579
• a(4n+k) = (k+1)*binomial(5n+k,n)/(4n+k+1), k=0..3.at n=35A118968
• a(n) = binomial(5*n+3,n)/(n+1).at n=8A118971
• Number of aperiodic necklaces (Lyndon words) with 9 black beads and n white beads.at n=35A263318
• 4-parking triangle T(r, i, 4) read by rows: T(r, i, k) = (r + 1)^(i-1)*binomial(k*(r + 1) + r - i - 1, r - i) with k = 4 and 0 <= i <= r.at n=36A329060
• Number of achiral dissections of a polygon into n hexagons by nonintersecting diagonals rooted at a cell.at n=16A370061