OFFSET
1,1
COMMENTS
No others <= 90220 - Eric W. Weisstein, Oct 28 2015
LINKS
Eric Weisstein's World of Mathematics, Constant Primes
Eric Weisstein's World of Mathematics, Integer Sequence Primes
Eric Weisstein's World of Mathematics, Natural Logarithm of 2 Digits
EXAMPLE
log(2) = 0.6931471805... and the 321-digit number 6931...0641 is the smallest prime in the first digits, so a(1) = 321
CROSSREFS
KEYWORD
nonn,base,hard
AUTHOR
Eric W. Weisstein, Aug 17 2013
EXTENSIONS
a(6) from Eric W. Weisstein, Oct 28 2015
STATUS
approved