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A075600
a(1) = 11 and then the smallest prime that is obtained by placing digits on both sides of the previous term. Or smallest prime that encompasses a(n-1).
7
11, 1117, 211177, 12111773, 1121117731, 1112111773139, 811121117731399, 18111211177313993, 5181112111773139933, 351811121117731399339, 63518111211177313993399, 11635181112111773139933991
OFFSET
1,1
KEYWORD
base,nonn
AUTHOR
Amarnath Murthy, Sep 28 2002
EXTENSIONS
More terms from Sascha Kurz, Jan 20 2003
STATUS
approved