a(n) = binomial(n*Omega(n),Omega(n)) / n.

Terms

a(0) =1a(1) =1a(2) =1a(3) =7a(4) =1a(5) =11a(6) =1a(7) =253a(8) =17a(9) =19a(10) =1a(11) =595a(12) =1a(13) =27a(14) =29a(15) =39711a(16) =1a(17) =1378a(18) =1a(19) =1711a(20) =41a(21) =43a(22) =1a(23) =138415a(24) =49a(25) =51a(26) =3160a(27) =3403a(28) =1a(29) =3916