Numbers k such that (64*10^k + 287)/9 is prime.

Terms

a(0) =1a(1) =2a(2) =4a(3) =5a(4) =7a(5) =8a(6) =13a(7) =16a(8) =22a(9) =112a(10) =134a(11) =139a(12) =250a(13) =445a(14) =475a(15) =512a(16) =544a(17) =1318a(18) =1588a(19) =3307a(20) =4216a(21) =4457a(22) =4474a(23) =4979a(24) =6241a(25) =9551a(26) =17939a(27) =20405a(28) =48106a(29) =54467