Integer lengths of the Mills primes A051254.

Terms

a(0) =1a(1) =2a(2) =4a(3) =10a(4) =29a(5) =85a(6) =254a(7) =762a(8) =2285a(9) =6854a(10) =20562a(11) =61684a(12) =185052a(13) =555154a(14) =1665461