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A068160 Smallest prime beginning and ending in n 1's. 4
101, 11311, 1114111, 111181111, 111110611111, 1111118111111, 111111151111111, 111111110911111111, 11111111128111111111, 111111111161111111111, 111111111110911111111111, 11111111111104111111111111 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

EXAMPLE

a(2) =11311 is a prime that starts with 11 and ends in 11, (two 1's).

CROSSREFS

Sequence in context: A300570 A171825 A267937 * A185893 A156669 A082435

Adjacent sequences:  A068157 A068158 A068159 * A068161 A068162 A068163

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy, Feb 24 2002

EXTENSIONS

Corrected and extended by Sascha Kurz, Jan 03 2003

STATUS

approved

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Last modified September 22 13:48 EDT 2021. Contains 347607 sequences. (Running on oeis4.)