1221759

Appears in sequences

• Binomial coefficients C(2*n+5,5).at n=20A002299
• Binomial coefficient C(3n,n-10).at n=5A004328
• Binomial coefficient C(5n,n-4).at n=5A004346
• Binomial coefficient C(45,n).at n=5A010961
• Binomial coefficient C(n,40).at n=5A010993
• Triangle read by rows: T(n,k) = binomial(t(n) - t(k-1),k), where t(j) = j*(j+1)/2; 1<=k<=n.at n=49A110770
• a(n) = binomial(9*n, n).at n=5A169958
• a(n) = floor(1/(zeta(5) - Sum_{h=1..n} 1/h^5)).at n=22A248234
• Number of labeled graphs with n nodes and floor(n/2) edges.at n=9A331505