A075602 - OEIS

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A075602

a(1) = 17 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

17, 1171, 211711, 32117117, 6321171179, 263211711799, 42632117117999, 6426321171179993, 564263211711799931, 15642632117117999311, 1156426321171179993119, 311564263211711799931199

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OFFSET

1,1

LINKS

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

CROSSREFS

Cf. A075595, A075596, A075597, A075598, A075599, A075600, A075601.

Sequence in context: A130035 A032629 A232942 * A222985 A229833 A362711

Adjacent sequences: A075599 A075600 A075601 * A075603 A075604 A075605

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy, Sep 28 2002

EXTENSIONS

More terms from Sascha Kurz, Jan 23 2003

STATUS

approved