login
This site is supported by donations to The OEIS Foundation.

 

Logo

Annual Appeal: Today, Nov 11 2014, is the 4th anniversary of the launch of the new OEIS web site. 70,000 sequences have been added in these four years, all edited by volunteers. Please make a donation (tax deductible in the US) to help keep the OEIS running.

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A083980 Smallest palindromic prime containing exactly n 9's. 9
191, 919, 19991, 1993991, 9199919, 199909991, 199999991, 90999599909, 95999999959, 99999199999, 9599999999959, 199999959999991, 959999999999959, 39999999299999993, 94999999999999949, 99999999299999999 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..16.

CROSSREFS

Cf. A083972, A083973, A083974, A083975, A083976, A083977, A083978, A083979, A083981.

Sequence in context: A103733 A217500 A142451 * A144327 A107955 A061331

Adjacent sequences:  A083977 A083978 A083979 * A083981 A083982 A083983

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy and Meenakshi Srikanth (menakan_s(AT)yahoo.com), May 21 2003

EXTENSIONS

Corrected and extended by Giovanni Resta, Feb 08 2006

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Superseeker | Recent | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified December 21 23:06 EST 2014. Contains 252326 sequences.