877262100

Appears in sequences

• Number of 3 X 7 matrices with elements in 0..n with each row and each column in nondecreasing order. 3,7,n can be permuted, see formula.at n=7A140907
• Number of 7 X 7 matrices with elements in 0..n with each row and each column in nondecreasing order. 7,7,n can be permuted, see formula.at n=3A140911
• Triangle T(i,j) read by rows: Number of plane bipolar orientations with i+1 vertices and j+1 faces.at n=35A296419
• Number of triples of non-crossing lattice paths from (0,0) to (n,n) using (1,0) and (0,1) as steps.at n=7A382136