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A275684
Difference between the smallest 10^n-digit member of a prime quadruplet and 10^(10^n - 1).
0
4, 25261, 349781731, 4114571944591
OFFSET
0,1
CROSSREFS
Cf. A007530.
Sequence in context: A241214 A034014 A217600 * A001376 A053937 A259160
KEYWORD
nonn,base,hard,more
AUTHOR
STATUS
approved