357675

Appears in sequences

• a(1) = 6; a(n+1) = (a(n)+1)/2 if a(n) odd, or 5*a(n)/2 if a(n) even.at n=40A070870
• Number of (w,x,y,z) with all terms in {1,...,n} and w*x<=y*z+2.at n=29A212055