a(n) = LCM(k*j_1!*...*j_k! : j_1,...,j_k>=1, j_1+...+j_k=n, k=1,...,n)/n!.

Terms

a(0) =1a(1) =1a(2) =2a(3) =1a(4) =6a(5) =2a(6) =6a(7) =3a(8) =10a(9) =2a(10) =6a(11) =2a(12) =210a(13) =30a(14) =12a(15) =3a(16) =30a(17) =10a(18) =210a(19) =42a(20) =330a(21) =30a(22) =60a(23) =30a(24) =546a(25) =42a(26) =28a(27) =2a(28) =60a(29) =4