Numbers k such that k*(k+1)*(k+2) has exactly 4 distinct prime factors.

Terms

a(0) =5a(1) =9a(2) =10a(3) =11a(4) =12a(5) =14a(6) =15a(7) =17a(8) =18a(9) =22a(10) =23a(11) =24a(12) =25a(13) =26a(14) =27a(15) =30a(16) =31a(17) =32a(18) =36a(19) =46a(20) =47a(21) =48a(22) =52a(23) =62a(24) =71a(25) =72a(26) =79a(27) =80a(28) =81a(29) =96