631223

Properties

Appears in sequences

• a(n) = (2*n+1)*a(n-1) - a(n-2) starting a(0)=0, a(1)=1.at n=7A121323
• Somos's sequence {a(7,n)} defined in comment in A018896: a(0)=a(1)= ... = a(15) = 1; for n>=16, a(n) = (a(n-1)*a(n-15)+ a(n-8)^2)/a(n-16).at n=42A271837
• Prime numbersat n=51422