213880

Appears in sequences

• Number of real singularities on a family of degree-3n algebraic surfaces.at n=26A200048
• Irregular triangle read by rows: T(n,k) (0 <= k <= n^2) are coefficients of exact wrapping probability for site percolation on an n X n 2D square lattice with periodic boundary conditions. This is for the probability that it wraps in either dimension.at n=44A365954