a(n) = tau_{n}(n) = number of ordered n-factorizations of n.

Terms

a(0) =1a(1) =2a(2) =3a(3) =10a(4) =5a(5) =36a(6) =7a(7) =120a(8) =45a(9) =100a(10) =11a(11) =936a(12) =13a(13) =196a(14) =225a(15) =3876a(16) =17a(17) =3078a(18) =19a(19) =4200a(20) =441a(21) =484a(22) =23a(23) =62400a(24) =325a(25) =676a(26) =3654a(27) =11368a(28) =29a(29) =27000