563347

Appears in sequences

• Number of solenoidal flows (flow in = flow out) in a 3 X 3 square array with integer velocities -n .. n.at n=17A068722
• Pentagonal numbers (A000326) that are also brilliant numbers (A078972).at n=28A113941
• Semiprimes of the form (4*n + 1)*(6*n + 1) = 24*n^2 + 10*n + 1.at n=21A255584
• Composite numbers k == 5, 7 (mod 12) such that 3^((k-1)/2) == -1 (mod k).at n=24A375918