Least m such that 2^n+5^m is prime.

Terms

a(0) =0a(1) =0a(2) =0a(3) =1a(4) =0a(5) =1a(6) =2a(7) =5a(8) =0a(9) =5a(10) =2a(11) =1a(12) =4a(13) =3a(14) =6a(15) =11a(16) =0a(17) =19a(18) =14a(19) =3a(20) =2a(21) =5a(22) =2a(23) =3a(24) =16a(25) =11a(26) =66a(27) =35a(28) =4a(29) =7