A075596 a(1) = 2 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).

2, 127, 11273, 1112731, 411127319, 34111273199, 3341112731993, 233411127319933, 32334111273199339, 3323341112731993391, 633233411127319933919, 66332334111273199339193, 1663323341112731993391937

Offset

1,1

Links

Table of n, a(n) for n=1..13.

Crossrefs

Cf. A075595, A075597, A075598, A075599, A075600, A075601, A075602.

Sequence in context: A343184 A062588 A125634 * A092832 A181001 A105761

Adjacent sequences: A075593 A075594 A075595 * A075597 A075598 A075599

Keyword

base,nonn

Author

Amarnath Murthy, Sep 28 2002

Extensions

More terms from Sascha Kurz, Jan 20 2003

One more term from David Wasserman, Jan 20 2005

Status

approved