Numbers having exactly three prime gaps in their factorization.

Terms

a(0) =1870a(1) =2090a(2) =2470a(3) =2530a(4) =2990a(5) =3190a(6) =3410a(7) =3458a(8) =3740a(9) =3770a(10) =3910a(11) =4030a(12) =4070a(13) =4180a(14) =4186a(15) =4510a(16) =4730a(17) =4810a(18) =4930a(19) =4940a(20) =5060a(21) =5170a(22) =5187a(23) =5270a(24) =5278a(25) =5330a(26) =5474a(27) =5510a(28) =5590a(29) =5642