244992

Appears in sequences

• Number of walks on square lattice.at n=28A005565
• a(n) = 225*n^2 - n.at n=32A156813
• a(n) = 1089*n^2 - 33.at n=14A158692
• Expansion of (1-x)*(10*x^4-20*x^3+16*x^2-6*x+1)/(1-2*x)^5.at n=11A190051
• Maximum number of copies of a 1234567 permutation pattern in an alternating (or zig-zag) permutation of length n + 11.at n=14A339358
• Number of face-connected components of tetragonal disphenoidal cells in the tetragonal disphenoidal honeycomb up to translation, rotation, and reflection.at n=11A385024