Numbers n such that 10^n - 53 is prime.

Terms

a(0) =2a(1) =3a(2) =11a(3) =15a(4) =23a(5) =29a(6) =44a(7) =71a(8) =83a(9) =95a(10) =159a(11) =383a(12) =404a(13) =548a(14) =633a(15) =6409a(16) =8793a(17) =24146a(18) =25727a(19) =64436a(20) =74335a(21) =76875