Let (p1,p2), (p3,p4) be pairs of twin primes with p1*p2=p3+p4-1; sequence gives values of p2.

Terms

a(0) =7a(1) =13a(2) =43a(3) =73a(4) =601a(5) =643a(6) =883a(7) =2131a(8) =2383a(9) =2689a(10) =3559a(11) =3583a(12) =4549a(13) =6133a(14) =7549a(15) =8011a(16) =9043a(17) =13399a(18) =13933a(19) =15973a(20) =17599a(21) =19141a(22) =21493a(23) =26251a(24) =26263a(25) =34513a(26) =38671a(27) =39229a(28) =39343a(29) =48313