Numbers k such that tau_3(k) (the number of ordered factorizations of k as k = r*s*t) divides k.

Terms

a(0) =1a(1) =3a(2) =18a(3) =36a(4) =270a(5) =360a(6) =405a(7) =540a(8) =810a(9) =1000a(10) =1620a(11) =1701a(12) =1800a(13) =1890a(14) =2835a(15) =2970a(16) =3000a(17) =3402a(18) =3510a(19) =3780a(20) =4032a(21) =4050a(22) =4455a(23) =4590a(24) =5130a(25) =5265a(26) =5400a(27) =5670a(28) =5940a(29) =6210