a(1) = 2; a(n+1) is obtained by trying to change just one digit of a(n), starting with the least significant digit, until a new prime is reached. Take the lexicographically earliest sequence. Digits may be replaced by any larger digit.
A059498
a(1) = 2; a(n+1) is obtained by trying to change just one digit of a(n), starting with the least significant digit, until a new prime is reached. Take the lexicographically earliest sequence. Digits may be replaced by any larger digit.
Terms
- a(0) =2a(1) =3a(2) =5a(3) =7a(4) =17a(5) =19a(6) =29a(7) =59a(8) =79a(9) =89a(10) =389a(11) =2389a(12) =2399a(13) =2699a(14) =2999a(15) =4999a(16) =8999a(17) =98999a(18) =298999a(19) =598999a(20) =599999a(21) =799999a(22) =1799999a(23) =4799999a(24) =4999999a(25) =904999999a(26) =974999999a(27) =60974999999a(28) =68974999999a(29) =68975999999
External references
- oeis: A059498