a(n) = denominator of sum{k=1 to n} 1/A127518(k).

Terms

a(0) =1a(1) =3a(2) =24a(3) =120a(4) =120a(5) =840a(6) =840a(7) =840a(8) =280a(9) =2520a(10) =27720a(11) =27720a(12) =360360a(13) =360360a(14) =360360a(15) =720720a(16) =12252240a(17) =4084080a(18) =77597520a(19) =15519504a(20) =15519504a(21) =5173168a(22) =118982864a(23) =356948592a(24) =8923714800a(25) =80313433200a(26) =80313433200a(27) =80313433200