Primes of the form 100*k+7.

Terms

a(0) =7a(1) =107a(2) =307a(3) =607a(4) =907a(5) =1307a(6) =1607a(7) =1907a(8) =2207a(9) =2707a(10) =3307a(11) =3407a(12) =3607a(13) =3907a(14) =4007a(15) =4507a(16) =5107a(17) =5407a(18) =5507a(19) =5807a(20) =6007a(21) =6607a(22) =6907a(23) =7207a(24) =7307a(25) =7507a(26) =7607a(27) =7907a(28) =8707a(29) =8807