Define sequence x(n) by x(1)=1, thereafter x(n) = (x(n-1)+n)/(1-n*x(n-1)); sequence gives denominator(x(n)).

A220447

Define sequence x(n) by x(1)=1, thereafter x(n) = (x(n-1)+n)/(1-n*x(n-1)); sequence gives denominator(x(n)).

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =19a(5) =73a(6) =331a(7) =43a(8) =281a(9) =4511a(10) =10873a(11) =322921a(12) =12179a(13) =720817a(14) =538759a(15) =87995911a(16) =1185403a(17) =37171235a(18) =46336951a(19) =6986985769a(20) =2602576465a(21) =243540693677a(22) =181777598557

External references