Numbers k such that (65*10^k + 691)/9 is prime.

Terms

a(0) =1a(1) =5a(2) =7a(3) =17a(4) =35a(5) =46a(6) =56a(7) =148a(8) =187a(9) =190a(10) =256a(11) =551a(12) =553a(13) =1033a(14) =1751a(15) =1976a(16) =2696a(17) =3116a(18) =3364a(19) =5353a(20) =5893a(21) =8063a(22) =9548a(23) =10640a(24) =24655a(25) =77992