Numbers n such that 10^n - 41 is prime.

Terms

a(0) =2a(1) =6a(2) =8a(3) =12a(4) =14a(5) =47a(6) =88a(7) =130a(8) =414a(9) =1388a(10) =1932a(11) =4106a(12) =4412a(13) =12870a(14) =22956a(15) =23932a(16) =27312a(17) =35316a(18) =37169a(19) =43873a(20) =150029