177426

Appears in sequences

• Engel expansion of e^Pi = 23.14069... .at n=34A059196
• Number of length 4+4 0..n arrays with every five consecutive terms having four times some element equal to the sum of the remaining four.at n=12A249660
• Irregular triangle read by rows: T(N,k) (0 <= k <= 4*N^2) are coefficients of cluster density function for site percolation on a 2*N X 2*N 2D union jack lattice with periodic boundary conditions.at n=26A365943
• Irregular triangle read by rows: T(N,k) (0 <= k <= 4*N^2) are coefficients of cluster density function for site percolation on a 2*N X 2*N 2D hexagonal lattice with periodic boundary conditions.at n=26A365944