2466750

Appears in sequences

• a(n) = 10*binomial(2*n + 1, n - 4)/(n + 6).at n=9A003519
• a(1) = 1; a(2) = 0; a(3) = 0; a(4) = 0; a(5) = 0; a(6) = 0; a(7) = 0; a(8) = 0; a(9) = 0; a(10) = 0; a(n) = a(n - 1) + 9a(n - 2) - 8a(n - 3) - 28a(n - 4) + 21a(n - 5) + 35a(n - 6) - 20a(n - 7) - 15a(n - 8) + 5a(n - 9) + a(n - 10) for n >= 11.at n=28A122602
• 10th column of Catalan triangle A009766.at n=9A124088
• Central coefficients T(2n,n) of the Catalan triangle A033184.at n=9A174687
• Number of standard Young tableaux of shape [9n,9].at n=2A215549
• Number of Young tableaux of shape [n, floor(n/2)].at n=18A368567