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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A088284 Palindromic primes in which a single digit is sandwiched between nonempty strings of 9's. 4
919, 929, 99999199999, 99999999299999999, 9999999992999999999, 999999999999919999999999999, 99999999999999499999999999999, 999999999999999999999949999999999999999999999, 99999999999999999999999999899999999999999999999999999 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Alois P. Heinz, Table of n, a(n) for n = 1..20

Hans Havermann, Near-rep-nine palindromic primes

CROSSREFS

Subsequence of A002385.

Cf. A088281, A088282, A088283.

Sequence in context: A082518 A128375 A068689 * A020399 A084843 A059668

Adjacent sequences:  A088281 A088282 A088283 * A088285 A088286 A088287

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy, Sep 29 2003

EXTENSIONS

More terms from David Wasserman, Aug 03 2005

Name clarified by Christian Stump, Mar 31 2015

STATUS

approved

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

License Agreements, Terms of Use, Privacy Policy .

Last modified September 26 06:54 EDT 2017. Contains 292502 sequences.