Numbers k such that 6*10^k + 91 is prime.

Terms

a(0) =0a(1) =1a(2) =2a(3) =3a(4) =4a(5) =5a(6) =7a(7) =10a(8) =11a(9) =14a(10) =23a(11) =31a(12) =37a(13) =42a(14) =105a(15) =106a(16) =114a(17) =137a(18) =182a(19) =212a(20) =233a(21) =313a(22) =621a(23) =629a(24) =1067a(25) =1570a(26) =4612a(27) =6288a(28) =20030a(29) =21843