Semiprimes k such that k+4, k+6, k+9, k+10 and k+14 are also semiprimes.

Terms

a(0) =2977a(1) =5357a(2) =10537a(3) =15697a(4) =15829a(5) =21949a(6) =22417a(7) =23257a(8) =30017a(9) =33509a(10) =33949a(11) =37909a(12) =38509a(13) =46033a(14) =51073a(15) =52333a(16) =58813a(17) =59317a(18) =63937a(19) =68617a(20) =68797a(21) =78409a(22) =84877a(23) =85273a(24) =92513a(25) =94177a(26) =97229a(27) =98233a(28) =100873a(29) =114977