OFFSET
2,1
COMMENTS
See A330048 for more information.
a(17) >= 111334, a(18) = 33, a(19) >= 110986, a(20) = 449, a(21) >= 47336, a(22) = 764, a(23) = 800874, a(24) = 100, a(25) >= 136967.
a(30) = 1024, a(42) = 487, a(60) = 1938; private communication from Raymond Devillers. - Hugo Pfoertner, Jan 25 2021
LINKS
Curtis Bright, Raymond Devillers, and Jeffrey Shallit, Minimal Elements for the Prime Numbers, June 11, 2015.
EXAMPLE
a(10) = 8 because the largest member of the minimal set of prime-strings in base 10 is A071062(26) = 66600049 with 8 decimal digits.
CROSSREFS
KEYWORD
nonn,hard,more
AUTHOR
Hugo Pfoertner, Nov 29 2019
STATUS
approved