Primes formed by inserting a semiprime between the semiprime's ordered factors.

Terms

a(0) =263a(1) =3217a(2) =22613a(3) =23417a(4) =23819a(5) =24623a(6) =27437a(7) =28643a(8) =33311a(9) =35117a(10) =36923a(11) =38729a(12) =55511a(13) =77711a(14) =211859a(15) =213467a(16) =214673a(17) =311137a(18) =312943a(19) =321371a(20) =324983a(21) =511523a(22) =514529a(23) =535571a(24) =716123a(25) =762389a(26) =1118717a(27) =1120919a(28) =1125323a(29) =1145141