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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..12.

CROSSREFS

Cf. A075595, A075596, A075597, A075598, A075599, A075601, A075602.

Sequence in context: A136308 A343837 A303067 * A078568 A015095 A167118

Adjacent sequences:  A075597 A075598 A075599 * A075601 A075602 A075603

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy, Sep 28 2002

EXTENSIONS

More terms from Sascha Kurz, Jan 20 2003

STATUS

approved

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Last modified August 4 00:29 EDT 2021. Contains 346441 sequences. (Running on oeis4.)