14158144

Appears in sequences

• a(n) = binomial(n+7,7)*binomial(n+7,6)/(n+7).at n=10A134288
• a(n) = binomial(m+n-1,n)^2 - binomial(m+n,n+1)*binomial(m+n-2,n-1) with m=12.at n=6A140925
• Number of 6 X 10 matrices with elements in 0..n with each row and each column in nondecreasing order. 6,10,n can be permuted, see formula.at n=2A140929
• Triangle T(n, k) = binomial(2*n, 2*k)*binomial(2*n+1, 2*k+1)/(2*n-2*k+1), read by rows.at n=39A155516
• Triangle T(n, k) = binomial(2*n, 2*k)*binomial(2*n+1, 2*k+1)/(2*n-2*k+1), read by rows.at n=41A155516
• Triangle read by rows: T(n,k) = generalized binomial coefficients (n,k)_10 (n >= 0, 0 <= k <= n).at n=38A342889
• Triangle read by rows: T(n,k) = generalized binomial coefficients (n,k)_10 (n >= 0, 0 <= k <= n).at n=42A342889