118721

Appears in sequences

• Centered 4-dimensional orthoplex numbers (crystal ball sequence for 4-dimensional cubic lattice).at n=20A001846
• Number of nodes in virtual, "optimal", chordal graphs of diameter 4 and degree n+1.at n=38A067956
• Square array T(n,k), n >= 0, k >= 0, read by antidiagonals, where T(n,k) = Sum_{j=0..n} binomial(k*n,n-j) * binomial(k*n+j,j).at n=49A341470
• a(n) = binomial(6*n, n) * hypergeom([-5*n, -n], [-6*n], -1).at n=4A341491