Semiprimes p such that next semiprime after p is p + 10.

Terms

a(0) =237a(1) =427a(2) =1027a(3) =1101a(4) =1661a(5) =2723a(6) =2747a(7) =3173a(8) =3295a(9) =3669a(10) =3849a(11) =3873a(12) =3963a(13) =4087a(14) =4227a(15) =4237a(16) =4667a(17) =4717a(18) =4897a(19) =5007a(20) =5017a(21) =5277a(22) =5837a(23) =6145a(24) =6249a(25) =6445a(26) =6697a(27) =6757a(28) =6787a(29) =6943