208361

Appears in sequences

• Sequence defined by the recurrence formula a(n+1)=sum(a(p)*a(n-p)+k,p=0..n)+l for n>=1, with here a(0)=1, a(1)=4, k=-1 and l=0.at n=9A176858
• Number of (w,x,y,z) with all terms in {1,...,n} and 2*w*x>3*y*z.at n=27A211922