1440880

Appears in sequences

• 3-apexes of omega: numbers k such that omega(k-3) < omega(k-2) < omega(k-1) < omega(k) > omega(k+1) > omega(k+2) > omega(k+3), where omega(m) = the number of distinct prime factors of m.at n=19A076761
• Number of nX6 0..1 arrays with no element equal to exactly two horizontal and vertical neighbors, with new values 0..1 introduced in row major order.at n=7A240517