444222

Appears in sequences

• a(n) = n*(n + 1)*(n^2 + n + 2)/4.at n=36A001621
• Coordination sequence for A_36 lattice.at n=2A035862
• Oblong (or pronic) numbers of the form x_n.y_n where z_n indicates the digit z repeated n times.at n=11A289980
• Number of 3Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1, 3 or 4 neighboring 1s.at n=9A297751