Numbers n such that 666*n + 1 is prime.

Terms

a(0) =3a(1) =5a(2) =7a(3) =10a(4) =12a(5) =16a(6) =22a(7) =23a(8) =25a(9) =26a(10) =32a(11) =35a(12) =36a(13) =38a(14) =40a(15) =46a(16) =50a(17) =51a(18) =57a(19) =58a(20) =61a(21) =63a(22) =65a(23) =67a(24) =68a(25) =71a(26) =73a(27) =77a(28) =78a(29) =80