A068163 Smallest prime beginning and ending in at least n 9's.

919, 990599, 99901999, 9999049999, 99999199999, 99999901999999, 9999999239999999, 99999999299999999, 9999999992999999999, 9999999999049999999999, 999999999990599999999999, 99999999999904999999999999

Offset

1,1

Links

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

Example

a(2) = 990599 is a prime that starts with 99 and ends in 99.

Crossrefs

Cf. A068160, A068161, A068162.

Sequence in context: A251133 A083142 A332191 * A289794 A235881 A051984

Adjacent sequences: A068160 A068161 A068162 * A068164 A068165 A068166

Keyword

base,nonn

Author

Amarnath Murthy, Feb 24 2002

Extensions

More terms from Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Mar 31 2003

Status

approved