5059881

Appears in sequences

• Numbers n such that sigma(n)/phi(n) = 9/4.at n=31A164646
• Number of nX3 0..1 arrays with no element unequal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.at n=11A280175