429429

Appears in sequences

• a(n) = (n+1)*(n+2)^2*(n+3)^2*(n+4)^2*(n+5)^2*(n+6)/86400.at n=8A108679
• Ninth column (and diagonal) of Narayana triangle A001263.at n=5A134290
• Number of 5 X 8 matrices with elements in 0..n with each row and each column in nondecreasing order. 5,8,n can be permuted, see formula.at n=2A140914
• An eight-products triangle sequence of coefficients: T(n,k) = binomial(n,k) * Product_{j=1..7} j!*(n+j)!/((k+j)!*(n-k+j)!).at n=30A142468
• An eight-products triangle sequence of coefficients: T(n,k) = binomial(n,k) * Product_{j=1..7} j!*(n+j)!/((k+j)!*(n-k+j)!).at n=33A142468
• Number of n X 3 0..2 arrays with rows unimodal and columns nondecreasing.at n=11A224185
• a(n) = 3*((2*n+2)!)^2 / (n!*(n+1)!*(n+2)!*(n+3)!).at n=6A227169