Denominator of 1^n/n + 2^n/(n-1) + 3^n/(n-2) + ... + (n-1)^n/2 + n^n/1.

Terms

a(0) =1a(1) =2a(2) =3a(3) =12a(4) =5a(5) =20a(6) =35a(7) =280a(8) =63a(9) =2520a(10) =385a(11) =27720a(12) =6435a(13) =8008a(14) =45045a(15) =720720a(16) =85085a(17) =4084080a(18) =969969a(19) =739024a(20) =29393a(21) =5173168a(22) =7436429a(23) =356948592a(24) =42902475a(25) =2974571600a(26) =717084225a(27) =80313433200a(28) =215656441