100000000n+1, 100000000n+3, 100000000n+7, 100000000n+9 are all primes.

Terms

a(0) =27346a(1) =62101a(2) =149650a(3) =168130a(4) =207670a(5) =230830a(6) =242443a(7) =249439a(8) =257227a(9) =278521a(10) =300028a(11) =329389a(12) =342700a(13) =401980a(14) =436315a(15) =452281a(16) =456985a(17) =523972a(18) =528946a(19) =530671a(20) =535918a(21) =612595a(22) =642832a(23) =657151a(24) =732799a(25) =733783a(26) =746848a(27) =758857a(28) =857662a(29) =866608