Start of record gap in odd semiprimes A046315.

Terms

a(0) =9a(1) =25a(2) =39a(3) =95a(4) =267a(5) =2369a(6) =6559a(7) =8817a(8) =13705a(9) =15261a(10) =21583a(11) =35981a(12) =66921a(13) =113009a(14) =340891a(15) =783757a(16) =872219a(17) =3058853a(18) =3586843a(19) =5835191a(20) =12345473a(21) =108994623a(22) =248706917a(23) =268749691a(24) =679956119a(25) =709239621a(26) =3648864859a(27) =3790337723a(28) =4171420481a(29) =33955869693