Product of twin primes of form (4*k+1,4*k+3), k>0.

Terms

a(0) =35a(1) =323a(2) =899a(3) =1763a(4) =10403a(5) =19043a(6) =22499a(7) =39203a(8) =72899a(9) =79523a(10) =213443a(11) =272483a(12) =324899a(13) =381923a(14) =412163a(15) =656099a(16) =675683a(17) =736163a(18) =777923a(19) =1102499a(20) =1127843a(21) =1512899a(22) =1633283a(23) =1664099a(24) =1695203a(25) =2196323a(26) =2883203a(27) =2965283a(28) =3526883a(29) =3802499