The lesser of two semiprime brothers.

Terms

a(0) =9a(1) =14a(2) =21a(3) =26a(4) =403a(5) =12367a(6) =41303a(7) =66893a(8) =68297a(9) =73147a(10) =111607a(11) =116813a(12) =118003a(13) =130133a(14) =146873a(15) =222757a(16) =260497a(17) =418307a(18) =429491a(19) =439097a(20) =478061a(21) =559003a(22) =628241a(23) =729007a(24) =822397a(25) =1116707a(26) =1239869a(27) =1595683a(28) =1887239a(29) =2148589