Numbers k such that each of k through k+4 are divisible by exactly two primes.

Terms

a(0) =54a(1) =91a(2) =92a(3) =115a(4) =141a(5) =142a(6) =143a(7) =144a(8) =158a(9) =205a(10) =212a(11) =213a(12) =214a(13) =215a(14) =295a(15) =301a(16) =323a(17) =324a(18) =325a(19) =391a(20) =535a(21) =685a(22) =721a(23) =799a(24) =1135a(25) =1345a(26) =1465a(27) =1535a(28) =1711a(29) =1941