4723719

Appears in sequences

• a(n) = binomial(n+4,4)*binomial(n+5,4)*binomial(n+6,4)/75.at n=8A107915
• Number of 3 X 8 matrices with elements in 0..n with each row and each column in nondecreasing order. 3,8,n can be permuted, see formula.at n=4A140912
• Number of 4 X 8 matrices with elements in 0..n with each row and each column in nondecreasing order. 4,8,n can be permuted, see formula.at n=3A140913
• 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=31A142468
• 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=32A142468
• Triangle T(i,j) read by rows: Number of plane bipolar orientations with i+1 vertices and j+1 faces.at n=40A296419