a(1)=a(2)=1, a(n+1) = (a(n)^3 +1)/a(n-1).A003818a(1)=a(2)=1, a(n+1) = (a(n)^3 +1)/a(n-1).Terms a(0) =1a(1) =1a(2) =2a(3) =9a(4) =365a(5) =5403014External referencesoeis: A003818