214844

Appears in sequences

• a(n) = n * (10*n^2 - 6n + 1) = n * A087348(n).at n=28A104099
• Dispersion of A016873, (5k+4), by antidiagonals.at n=47A191706
• a(n) = (11*5^n + 1)/4.at n=7A199314