163951

Appears in sequences

• a(n)=A069523(n)/n.at n=60A088393
• Number of n X 2 0..1 arrays with row sums and column sums unimodal.at n=11A223711
• Lesser of 2 successive squarefree semiprimes (k, k+6) sandwiching 5 consecutive nonsquarefree numbers.at n=16A368778